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a

A Quick Guide to Vitamin K

Memo

Most multivitamins and many dietary supplements contain Vitamin K. Both types, K1 and K2 are used, but K3 is not allowed in humans because it has been shown to damage hepatic cells in laboratory studies. However, Vitamin K3 is allowed in certain animal feed formulations. ...

A Review of Midwest Laboratories Soil Test Methods

Memo

In 2014, clients in Iowa and Canada asked Midwest Laboratories to compare Mehlich III extraction of nutrients analyzed by ICP to Midwest Laboratories’ traditional methods which include P1 & P2 Bray extraction of phosphorus (P) with colorimetric measurement; neutral ammonium acetate (AA) extraction of potassium ...

Accuracy of Restaurant Nutrition Calculations

Memo

If a product has more than five ingredients, it's almost a necessity to have it be analyzed analytically to calculate calories.

Advisory Levels for Vomitoxin

Memo

Vomitoxin is a mycotoxin that can occur in small grains such as wheat, barley and oats.

Agriculture Fee Schedule

Brochure

Here is a comprehensive listing of the analysis options provided by Midwest Labs to the Agriculture industry. It includes tests, methods, prices, descriptions, warnings, recommendations, suggestions, instructions, and reporting options.

Agronomy Handbook

Memo

Agriculture related analyses are indispensable in supplying accurate, current information for making management decisions regarding soil fertility and plant nutrients. Maximum benefit can be gained if the samples are taken properly, analyzed reliably, and interpreted correctly. Increasing world demand for food, feed, and fiber, is ...

Alfalfa Guide Harvest

Memo

Alfalfa is superior to other forage crops and understanding how alfalfa grows and its relationship to forage yield & quality is critical to high quality production.

ALFALFA HAY GUIDELINES

Memo

The quality of alfalfa hay used as feed, can be determined from the ADF, NDF, Relative Feed Value, TDN and crude protein levels.

Alfalfa Mangement Guide

Memo

The final step to profitable alfalfa production is to set goals for forage quality and use the appropriate harvest techniques.

Amino Acid Profile

Memo

Amino Acids play a vital role in metabolism, immune function and maintaining a healthy nervous system.

Analysis and Supplements for Beef Cows

Memo

Determining if a supplement is needed for beef cows is based on forage quality and can be guided by a forage analysis which measures several components.

Analysis of Total Starch – Summary

Memo

Starch analysis involves two basis steps. The first is the enzymatic hydrolysis of starch in glucose. The second is the measurement of glucose levels.

Analytical Conversion Factors

Memo

Analytical conversion factors are useful in interpreting your analysis.

Animal Feed Fee Schedule

Brochure

Here is a comprehensive listing of the analysis options provided by Midwest Labs to the Animal Feed industry. It includes tests, methods, prices, descriptions, warnings, recommendations, suggestions, instructions, and reporting options.

Arsenic

Memo

In Water: Arsenic is well known from its use as a poison and as a toxin. Recent concern centers on arsenic in drinking water. Low levels of arsenic in drinking water have been linked to cancers, cardiovascular problems and diabetes.

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Biochemical Oxygen Demand (BOD)

Memo

Biochemical oxygen demand (BOD) is a common test usually performed on influent or effluent water samples.

Biogenic Amines

Memo

A biogenic substance with one or more amine groups is called a biogenic amine.

Biosolid Sampling Method

Brochure

When sampling sludge, extra precautions should be taken to ensure safe handling and accurate sampling.

Biosolids Sample Collection Instructions

Memo

Instructions for Collection, Handling, and Storage of Biosolid Samples (Referenced directly from EPA Methods 1681 and 1682)

Bottled Water: New Rulings and Definitions

Memo

"The U.S. Food and Drug Administration began requiring additional information about the source of store-bought water."

Buffer Index Explanation

Brochure

A soil's buffer index measures how much reserve acidity is present and qualifies acidic soil pH's by determining how much lime material to apply.

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Calculating Cation Exchange Capacity and the Percent Base Saturation

Memo

The cation Exchange Capacity (CEC) is calculation based on soil analysis results of the cations.

Calorie Calculations in Foods

Memo

Calories in foods can be calculated using the grams of protein & carbohydrates in a serving and the grams of Fat.

Chlorine

Memo

Chlorine (Cl2) is a diatomic gas, whereas Chloride (Cl-) is the negative charged ionic form of Chlorine.

Composition of Fiber in Feeds

Memo

Fiber can be broken out into three different fractions, Crude, Neutral Detergent and Acid Detergent. Each of these fiber fractions are made up of different components.

Confined Space Hazards

Memo

Introduction: Confined spaces such as manholes, vaults, pits, tanks, storage bins, hoppers and silos need special consideration.

Conversion of Agricultural Lime Recommendations

Brochure

Knowing the percentage of effective calcium carbonates aids in determining the amount of lime required.

Cool Season Grass Management Plan

Memo

Throughout the months of the year, management of grasses depends upon the production goal of your cool season grass.

Corn – Band Application vs Broadcast Application

Brochure

Whether you band or broadcast your application, you should consider the pros and cons of each application method when dealing with corn.

Corn for Various Yield Goals – Suggested Final Population

Brochure

When adjusting corn yields, consider the final population of corn.

Corn Growth Stages and Nutrient Ranges

Memo

This guide will reference if your corn plant nutrient uptake is within the normal ranges for the current stage of growth.

Corn Percent Plant Food Uptake

Brochure

The first three stages of corn plant food uptake are most dramatically influenced by management.

Corn Plant Development Stages

Brochure

Corn plant development is broken into four (4) stages of development based on week of emergence, and leaf count.

Corn Stages

Memo

This table will provide the Midwest Laboratories corn growth stage number used for reporting, as well as the corn growth stage and description of growth stage.

Crop Management Observations

Brochure

There are basic principles of crop observations that will assist in the management and identifying some variations that will influence plant stands.

Crude Fat (Acid Hydrolysis)

Memo

The residue remaining after a dried & ground sample is extracted and ether has evaporated is weighed and referred to as ether extract or crude fat.

Crude Fat Analysis

Memo

Crude fat is more of a screening method because the test procedures don't identify a specific fat.

Cut Sampling Time and Improve Accuracy

Memo

Midwest's unique method of processing samples allows you to SAVE TIME in the field, because we process all the sample you send to our lab. Some labs just pour part of the sample onto a paper plate for processing.

Cut your Sampling Time and Improve Accuracy

Memo

Midwest's unique method of processing samples allows you to SAVE TIME in the field, because we process all the sample you send to our lab. Some labs just pour part of the sample onto a paper plate for processing.

Cyst Nematode Analysis

Brochure

Cyst nematode numbers will be highest when the plants are almost mature to shortly after harvest.

d

Detection Levels

Memo

A detection level shows a relationship between levels of analyte and some sort of a response. The response could be no observable response, a maximum response, and the standard curve.

Domestic Water Submittal Instructions

Memo

Before sampling, freeze cool pack enclosed in kit. This will allow the sample to remain cool until it reaches the laboratory. Open the cold water faucet and allow the water to run for several minutes. Fill the enclosed bottle(s). If purity (total coliform) is to ...

Domestic Water Suitability Sampling

Memo

Analyzing your water for domestic suitability at Midwest Laboratories will provide information about your water's hardness, fluoride levels, pH levels, and possible bacteria contamination.

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E. coli

Brochure

The organism, Escherichia coli 0157:H7, also known as hemorrhagic E. coli, causes an illness known as hemorrhagic colitis.

E. coli 0157:H7 (Hemorrhagic E. coli)

Memo

The organism, Escherichia coli 0157:H7, also known as hemorrhagic E. coli, causes an illness known as hemorrhagic colitis.

Effect of pH on Crop Yield

Brochure

The pH level of our soil can play a part in the relative yield of crops.

Environmental Fee Schedule

Brochure

Here is a comprehensive listing of the analysis options provided by Midwest Labs to the Environmental industry. It includes tests, methods, prices, descriptions, warnings, recommendations, suggestions, instructions, and reporting options.

Estimating Soil Textures by Cation Exchange Capacity Determination

Brochure

Soil texture can be estimated from the cation exchange capacity, however for a more accurate determination, run a soil texture by hydrometer.

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Fallow Syndrome

Memo

Fallow syndrome is a result of population reduction of fungi. The syndrome can often be confused with a phosphorus deficiency.

Feed Nitrate Testing

Memo

Nitrate in plants are usually converted to proteins, amino acids and other compounds. However some stresses to the plant can cause toxic levels of nitrates.

Fertigation and Chemigation

Memo

Applying fertilizer solutions through irrigation water is not a recent development; the first agricultural use of anhydrous ammonia was through application in irrigation water in the early 1930's. With the mechanization of irrigation, particularly with the development of center pivot sprinkler systems, new application techniques ...

Fertilizer Salt Index

Brochure

Since starter fertilizer came into general use, several methods of placement have been used, including starter fertilizer programs using row placement of liquid fertilizer directly on or very close to the seed. The advantage of this process is the availability of the fertilizer to the ...

Fertilizer Salt Index

Brochure

The salt index is estimated by measuring the amount of electric current that a 0.1% solution will conduct. The higher the salt index, the higher the tendency of the product to cause injury to seed germination.

Fertilizer Values for Manure (Liquid and Solid)

Brochure

Guides based on the manure source and facility, are available to assist in handling and spreading manure.

Field Guide for Hay and Silage

Memo

Silage and hay are the most common forms of storage for forages. Silages are usually preferred by livestock to hay.

Foliar Applied Plant Nutrition

Memo

Foliar feeding, a term referring to application of essential plant nutrients to above-ground plant parts, has been documented as early as 1844, when an iron sulfate solution was sprayed as a possible remedy for "chlorosis sickness." More recently, foliar feeding has been widely used and ...

Food & Ingredients Fee Schedule

Brochure

Here is a comprehensive listing of the analysis options provided by Midwest Labs to the Food & Ingredients industry. It includes tests, methods, prices, descriptions, warnings, recommendations, suggestions, instructions, and reporting options.

Food Degradation Analysis

Memo

Over time, food products will begin to deteriorate. One critical aspect of this process is to monitor the degradation processes using a variety of analyses including peroxide value, iodine number, p-anisidine value, biogenic amines, thiobarbituric acid (TBA), and free fatty acids. Download our White Paper ...

Food Poisoning Facts

Memo

Knowing the foods implicated in outbreaks and the preventative measures, you can avoid food poisoning.

Fuel Fee Schedule

Brochure

Here is a comprehensive listing of the analysis options provided by Midwest Labs to the Fuel industry. It includes tests, methods, prices, descriptions, warnings, recommendations, suggestions, instructions, and reporting options.

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Glycerin As Feed

Memo

Glycerin is odorless, colorless, water soluble, and has a sweet taste. And the feed value in terms of energy could be equal to corn.

Glycol Analysis

Memo

Glycols are most commonly associated with antifreeze, but has other uses such as deicing fluid, food additives, food solvent, humectants and moisturizers.

Grain Sorghum Plant Development Stages

Brochure

Considerations such as planting rates, planting dates and relationships between seed size and field performance can assist with plant development of grain sorghum.

h

Haney Test Explanation

Memo

Midwest Laboratories offers the Haney analysis in our Soil Health packages. The Natural Resources Conservation Service (NRCS) is offering incentives for this method of soil health testing through a Conservation Security Program in some states.

Helpful Hints for Preparing Nutrition Facts Labels

Memo

There have been several changes made to the FDA/USDA Nutrition Facts Label: Servings are in larger, bolder typeface. Serving sizes have changed to reflect reality. Calories use a larger typeface. Percent Daily Values have been updated. A new category has been created: Added Sugars. There ...

Home & Small Business Fee Schedule

Brochure

Here is a comprehensive listing of the analysis options provided by Midwest Labs to the Home & Small Business industry. It includes tests, methods, prices, descriptions, warnings, recommendations, suggestions, instructions, and reporting options.

How a Soil Test Can Influence Herbicide Recommendations

Brochure

When determining herbicide rates, remember that only those herbicide molecules dissolved in soil solution are available for control of weeds.

How to Convert Fertilizer Applications

Memo

Converting your fertilizer recommendation from pounds per acre to measurements compatible with smaller areas such as flower pots, or lawn & garden use.

i

Indications of Spoilage and Associated Tests

Memo

Food spoilage can be triggered by many factors and can be indicated by a combination of odor, appearance, texture and color.

Inductively Coupled Argon Plasma

Memo

There are two (2) types of ICPs, and optical emission and a mass detection. The difference between the two (2) is how the element level is measured.

Inductively Coupled Argon Plasma Optical Emission Spectroscopy (ICP-OES)

Brochure

There are two (2) types of ICPs, and optical emission and a mass detection. The difference between the two (2) is how the element level is measured.

Instructions for Reporting Chemical Results

Memo

Public Water Systems (PWS) who provide water for human consumption to the public, must report their results. This guide walks through reporting chemical results.

Instructions for Reporting Individual Bacterial Results

Memo

Public Water Systems (PWS) who provide water for human consumption to the public, must report their results. This guide walks through reporting bacterial results.

Interpreting Manure Reports

Video

This video looks at manure report information data and how the data should be interpreted.

Interpreting pH: Water pH vs Salt pH

Memo

Midwest Labs will use distilled deionized water to measure pH on routine soil samples. Upon customer requests, we will run a salt pH by adding calcium chloride to the water.

Interpreting Plant Tissue Analysis

Video

This video provides an overview of the plant tissue analysis and reporting process.

Interpreting Soil Analysis

Brochure

Midwest Laboratories, Inc. has been serving the agricultural, industrial, environmental, and sampling needs of the United States and Canada for nearly 30 years. The Midwest Labs Campus offers over 60,000 square feet of laboratory space dedicated to meeting the analytical needs of our clients. Our ...

Interpreting Soil Test Results Video Part 1: CEC

Video

This video will give you more insight into understanding your soil test results from Midwest Laboratories. Call 402-334-7770 for more information on soil testing.

Interpreting Soil Test Results Video Part 2

Video

This video will give you insight into understanding your soil test results regarding Phosphorus, Potassium, Cations, and Percent Base Saturation.

Interpreting Soil Test Results Video Part 3

Video

This video will give you more information on how to interpret your soil test results from Midwest Laboratories, Inc. regarding Nitrate, Sulfur and Micronutrients in soil.

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Lechithin

Memo

Lecithin is a commonly used ingredient in the food industry. It is a mixture of phospholipids naturally found in animal and plant cells. Commercially available lecithin is generally extracted from soybeans.

Lime Analysis Report Interpretation

Brochure

The purpose of liming is to neutralize acid. Midwest recommendations are based on an assumption of 90% neutralizing power.

Limestone (Pounds Per Acre)

Brochure

Limestone is a soil additive that is used to increase the pH of acidic soil and improves the uptake of major plant nutrients.

Listeria Monocytogenes

Brochure

First described as a pathogen in the late 1920's, it was not until the early 1980's that Listeria monocytogenes emerged as a food-borne pathogen. These hardy, nonspore-forming bacteria are capable of growing over a temperature range of 1-45o C (34-113o F), growing best at 30-37o ...

m

Making Your Water Safer

Memo

When it comes to water quality, there are many treatments available. The best procedure is to have Midwest Laboratories test your water and make recommendations for corrective action.

Manure Fertilizer Values – Summary

Brochure

Understanding the value of manure fertility can assist in improving soil fertility.

Manure Sampling Over Slurry Storages

Memo

The accuracy in which a manure sample is taken is imperative to adhere to requirements for manure management plans.

Manure Types and Composition

Brochure

There are three (3) types of manure used agronomically. The composition of the manure will vary with the type of manure and class of livestock.

Match Your Forages to Your Grazing Needs

Memo

Forages must match livestock needs, and production dates may vary to the North and the South.

MEASUREMENT OF SALTS

Memo

"Salt" is composed of sodium and chloride. Measuring the "salt" level is an estimation, as there is no method that is specific for measuring "salt".

Mehlich-3 Phosphorous Soil Test

Memo

Mehlich-3 Phosphorus analysis is suitable for removing P and other elements in acid and neutral soils.

Method Sampling for Sludge

Memo

When sampling sludge, extra precautions should be taken to ensure safe handling and accurate sampling.

Microbial Activity in Soil – Overview

Brochure

Dehydrogenase activity has been shown to correlate with other measures of microbial activity such as carbon dioxide release, proteolytic activity and nitrification potential.

Midwest Laboratories Knows Foods from Recipe to Marketplace

Memo

You’ve got a great recipe and want to bring it to the marketplace. Here are some useful links to help you start a food business.

Midwest Laboratories Soil Health Assessment

Memo

Midwest Laboratories offers the soil health assessment in two packages. The Soil Health Basic, and the Soil Health Complete.

Mineral Analysis of Manure

Brochure

Manure fertiltiy values are affected by diet and water composition and class of livestock.

Mycotoxins

Brochure

Mycotoxins are not produced all the time, but can present under specific growing conditions and colonize crops.

Mycotoxins in Feeds

Memo

Mycotoxins are an ongoing concern when feeding livestock and companion animals since minute amounts can greatly effect animal health and productivity.

n

Nitrate and Ammonium Nitrogen Stability and Uptake

Brochure

Nitrate-nitrogen is the most abundant form of nitrogen in the soil and uptake is easily accomplished through water absorption. The influence of ammonium nitrogen on the soil-plant system is also beneficial.

Nitrate Nitrogen Levels in Corn Stalks

Brochure

End of season cornstalk tests should be done approximately 1-3 weeks after black layer has formed on 80% of the kernels of most ears.

Nitrate Toxicity

Memo

Forage diets high in nitrates could cause nitrate toxicity when the conversion of nitrite to ammonia becomes the limiting factor.

Nitrogen Management in Agricultural Soils

Brochure

Profitable crop production largely depends on adequate amounts of available nitrogen. In continuous corn, for example, the dollar return per one dollar invested in nitrogen fertilizer can be as high as eight to one. However, as beneficial and profitable as nitrgoen fertilizer is to crop ...

Nutrient Uses in the Plant

Memo

Nutrients play an important role in plant development.

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Organic Soils

Brochure

Organic soils have some specific micronutrient problems, but with testing and more specific information about your sample(s), Midwest Laboratories will assist you in further interpretation.

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P1P2 RELATIONSHIP

Brochure

Midwest Laboratories run the standard Bray phosphorus tests, also known as the P1 and P2 tests on soil.

Particles Size Analysis for Swine Feeds

Memo

A general guideline for particle size interpretation shows an average particle size of 700-800 microns is considered acceptable for all classes of swine.

Patulin: The Apple Juice Mycotoxin

Memo

Patulin is a mycotoxin associated with the spoilage of grains, fruits, cheeses, and breads. It is considered the most significant mycotoxin in fruit and fruit juices; important because high-risk populations such as infants, children and the elderly consume these products. Download white paper to read ...

Peroxide Value

Memo

Evidence of rancidity in fats and oils can be evaluated by the detection of peroxide. The Peroxide value analysis is the most widely used.

Pet Food Fee Schedule

Brochure

Here is a comprehensive listing of the analysis options provided by Midwest Labs to the Pet Food industry. It includes tests, methods, prices, descriptions, warnings, recommendations, suggestions, instructions, and reporting options.

pH Determination

Memo

The pH scan is based on values between 0 and 14, with 7 being neutral. Readings above 7 are considered to be basic or alkaline, where reading below 7 are considered to be acidic.

Phosphorus Types, Analyses, and Terminology

Memo

The abundance of phosphorus is minor compared to oxygen, sodium, or aluminum, But the importance to life, phosphorus is a crucial element.

Physical Characteristics of Soil III

Memo

Soil structure can influence pore space in soil and the ease in which air, water and roots can move through the soil.

Plant Analysis Methods

Memo

Some differences in analytical results could be due to the methods used for the analysis. These are the methods used by Midwest Laboratories.

Plant Parasitic Nematode Analysis

Brochure

A plant parasitic nematode assay result will be reported by genus and will also show numbers of all nematodes recovered.

Plant Parasitic Nematode Permit

Memo

This document should accompany soil samples that are being sent in for plant parasitic nematode testing.

Plant Tissue Sampling Guide

Brochure

Modern agriculture demands top yields... and quality yields. Additionally, you demand profitable yields. In satisfying these demands, plant tissue analysis has become a valuable crop production tool. Top quality and profitable yields, unfortunately, don't just happen. Many factors need to be considered... like adequate moisture ...

Potable (Drinking) Water Samples for Human Consumption – Total Coliform Requirements

Brochure

Potable (drinking) water samples for human consumption must adhere to current regulations for analyzation, including sample bottle type, and time.

Pre-Sidedress Late Spring Nitrate Test

Memo

The late Spring PSNT test on soils is used to aid with profitable corn production and nitrogen management.

Process and Chemistry of Composting

Memo

Landfills are no longer the first choice for disposal so composting has become a renewed interest.

Prussic Acid Poisoning and Nitrate Toxicity – Sudangrass Grazing

Memo

Taking precautions when grazing sorghums and sudangrass will provide safety against hydrocyanic acid or prussic acid poisoning or nitrate toxicity.

Purpling in Corn

Brochure

Purpling in corn is only one outward indicator of stress, and determining what caused the purpling can be difficult to sort out.

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Quality Control for Laboratory Analyses

Memo

Midwest Laboratories implements quality control in our labs to maintain standards in testing.

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Rapid Visco Analyzer Results

Memo

Following is a brief introduction to the Interpretation of pastling curves for starch-based samples testing using your RVA 4500. A heat-hold-cool cooking cycle is assumed. A good textbook covering polymer hydrocolloids should provide further information on these processes and on starch chemistry, modification and uses.

Rapid Visco Analyzer Results

Memo

The Rapid Visco Analyzer is a tool used to determine the cooked viscosity of products such as grain, flour, cereal-based, and starch.

Recommendation Guide for Midwest Soil Test

Brochure

Phosphate and Potash recommendation guide for Midwest Laboratories soil tests.

Recommendation Guide for Midwest Soil Test

Brochure

Comparison of corn, soybeans, alfafa, sunflowers and sugar beets.

Relative Feed Value (RFV) of Forages

Memo

Relative Feed Value (RFV) can be calculated on any set of feed analysis data that includes ADF and NDF, however the equations were developed specifically for alfalfa hay fed to Dairy cows.

Residual Antibiotic Analyses

Memo

The existing science and instrumentation for residual antibiotic analyses is leaning toward the LC/MS or LC/MS/MS methods because of the versatility.

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Salmonella

Brochure

Since Salmonella bacteria are common in the intestinal tract of many animals, contamination of the meat is common. Good sanitation and food preparation practices are important in preventing salmonellosis.

Salmonella in Soils

Brochure

Salmonella can be transferred from birds & mammals defecating, and then having that raw or unprocessed manure spread onto fields.

Schedule of Fees 2017

Memo

The 2017 Schedule of Fees contains a wide array of Midwest Laboratories analysis offerings. Prices are subject to change without notice.

Shipping Options for Clients

Brochure

Shipping Samples – (Last Updated May 1, 2017) Midwest Laboratories Clients have options for discounted shipping. Questions – Please talk to a Client Service Representative for more information. FedEx Ground – $10.50 Weight – Up to 50 pounds Overnight – $25.00 Up to 10 pounds ...

Sludge Sampling Method

Brochure

When sampling sludge, extra precautions should be taken to ensure safe handling and accurate sampling.

Small Grain Plant Food Uptake and Related Stages of Plant Development

Brochure

Understanding plant nutrient uptake during plant development stages can assist with better yield production.

Soil Analysis – Factors Effecting Irregularities

Brochure

Several factors can influence irregularities in soil analysis. Depth variations, combining samples with different soil areas or different historical liming are just a few of the factors.

Soil Analysis Methods

Brochure

Some differences in analytical results could be due to the methods used for the analysis. These are the methods used by Midwest Laboratories.

Soil and Fertilizer Management Considerations for Soils Excess in Magnesium

Brochure

Soils excess in magnesium may limit potassium uptake, and certain soil management

Soil Auto Submit Instructions

Memo

This document contains a walk-through of the soil auto submit system. It provides instructions on how to identify samples, order tests, and request recommendations for surface and sub-soil samples so that the lab can report the information you need to maximize your crop yield.

Soil Cation Exchange Capacity (C.E.C.)

Brochure

The lightness or heaviness of a soil, or soil texture, can be learned from the cation exchange capacity of the soil.

Soil Compaction

Brochure

Compaction can have many effects on soil. While a compacted condition can be naturally occurring, management is the cause of most compaction.

Soil Lead Facts

Brochure

The biggest risk of lead exposure is through eating or swallowing contaminated dirt. Young children are at the highest risk for this exposure.

Soil Probe Lubricant

Memo

Taking soil samples can be made easier by lubrication of the probe, especially for wet soils and high clay content soils. The soil can stick to the probe and stop the soil from being released from the probe or make it difficult for the probe ...

Soil Sampling – Cut Your Time and Improve Accuracy

Brochure

Efficient soil sampling will cut your sampling time and improve accuracy.

Soil Sampling Guide

Brochure

Properly collecting soil samples is the most important step in any nutrient/soil amendment management program. Soil sampling should reflect tillage, past fertilizer/soil amendment placement, cropping patterns (and correcsponding irrigation requirements), soil type (including drainage and slope characteristics) and perhaps old field boundaries (such as old ...

Soil Sampling Procedures

Memo

1. Divide your field into areas which have the same soil type. 2. Sampling areas may range from 20-60 acres depending upon the consistency of the ground. 3. Smaller areas can be used for trouble spots ...

Soil Sampling Procedures

Memo

Correct sampling procedures will aid in providing an accurate soil analysis.

Soil Sampling with a History of Fertilizer Bands

Brochure

Soil sampling strategies can effectively deal with a history of bands applied to the soil.

Soil Test Interpretations

Brochure

Understanding your soil analysis can be achieved with the basic soil test interpretation guide.

Soil: Getting the Lead Out

Brochure

Soil naturally presents trace amounts of lead. But contamination results from peeling of lead based paint from the exterior of older homes, as well as from emissions from vehicles that once used leaded gasoline.

Sorghum Percent Plant Food Uptake

Brochure

Using the plant food uptake guide for sorghum, you can use the information to guide upcoming growth stage expectations.

Soybean Percent Plant Food Uptake

Brochure

Oil seed crops generally follow a different nutrient uptake pattern than grass crops like corn.

Stains

Memo

A domestic water analysis could indicate the source of stains in your laundry, bathtubs, showers and sink surfaces.

Sulfur and Micronutrient Recommendation – A Basic Interpretation

Brochure

Most workers agree that sulfur is both beneficial and profitable on sandy soils. Several soil conditions affect crop responses to micronutrients.

SULFUR FOR TIER III ANALYSIS

Memo

Midwest Laboratories uses ASTM D 5453 – Sulfur analysis as the reference method for Sulfur TIER III Analysis and have carried out the required quality validation. Supporting clients is our biggest focus and through this process, we have tried to deliver a high-quality program that ...

Sulfur Recommendations Based on ICAP Sulfur Analysis

Brochure

Sulfur is an essential nutrient for crop production and yield response to sulfur fertilizer varies greatly.

Sulfur Test – An Interpretation

Brochure

Soil Sulfur levels can be affected by differences in soil texture, irrigation water, types of irrigation, soil drainage, sodium levels, and history of sulfur fertilization.

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Table of Ratings

Memo

A guide showing the ratings used on soil analysis reports and the levels for each rating.

TBA vs. Peroxide

Memo

Thiobarbituric acid can be performed directly on food products (wet or dry) while peroxide value testing can only be accurately performed on oils.

Texture Analysis

Memo

Texture analysis is an important component for evaluation of select products. Texture, in this application, deals with the integrity of a sample and a change in the resistance to pressure.

Top 10 Reasons for Nodulation Failure in Legumes

Memo

If your forage legumes are stunted and yellow and generally exhibit signs of nitrogen deficiency, the problem may be nodulation failure.

Toxic Characteristics Leachate Procedure

Memo

TCLP- Toxic Characteristics Leachate Procedure, is an extraction or sample preparation procedure.

Trace Mineral Requirements – Beef Cows

Memo

Forages provide the nutritional base of cow-calf operations. Mineral supplementation decisions pivot around the quanitity and quality of the forage-base.

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Underground Storage Tank Testing – TEH and TPH

Memo

If an underground storage tank has been removed due to damaged or leaking tanks, an analysis of the surrounding soil and water

Understanding Manure Recommendations

Brochure

Understanding your manure analyses is necessary to determine the rates of application to increase yields.

Understanding Soil Test Results

Video

Part 1: CEC, Organic Matter, Soil pH, & Buffer Index Part 2: Phosphorus, Potassium, Other Cations, & %Base Saturation Part 3: Nitrate, Sulfur, & Micronutrients

USDA Plant Import Permit

Memo

Midwest Laboratories  USDA Plant Import Permit

USDA Soil Import Permit

Memo

Midwest Laboratories USDA Soil Import Permit.

Using Activated Charcoal

Memo

For questions on where to obtain activated charcoal, contact your local chemical supplier, or the agronomic staff at Midwest Laboratories.

Using Laboratory Analysis to Maximize Yield

Brochure

An agricultural testing laboratory offers many different types of analyses to help growers, ag retailers, and crop consultants maximize yields and economic returns. This document provides an overview of the types of analyses useful for crop production in a typical Midwestern corn-corn or corn-soybean rotation ...

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Vitamin C (Ascorbic Acid)

Memo

Vitamin C (Ascorbic Acid) is necessary for maintaining healthy gums and for formation of connective tissue. Vitamin C can prevent Scurvy.

Vitamin E

Memo

Vitamin E plays a role as an antioxidant in the body and can be found naturally in some foods, added to others, and is also available as a dietary supplement.

w

Water Activity

Memo

Differences with the water's association with the nonaqueous components of the food products can affect the rate of spoilage.

Wheat Growth Stages

Brochure

Knowing the growth stage of your wheat plant can assist in proper plant tissue sampling and soil management practices.

Why Grid Sample?

Brochure

Grid sampling is used to identify areas that need additional fertility as well as those areas that do not.

Why run accelerated shelf-life studies?

Memo

Food producers are constantly creating and updating product formulations to meet consumer’s shifting preferences. Enter any grocery store and you will see a produce section which looks like an oriental bazaar. Browse the shelves and note the new sections which stock trending categories such as ...

Winter Soil Sampling – Pros and Cons

Brochure

When is the best time of the season to collect soil samples? Here we discuss the advantages and disadvantages of winter soil sampling.