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Midwest Laboratories USDA Plant Import Permit Controlled Import Permit to Import Restricted or Not Authorized Plant Material. This permit is to be used: To Test Plant Material and process plants (feeds, hay, etc.) for nutrient analysis for minerals, fiber, ash, and energy levels for feed purposes. Plant Parts may include: Flower Lead Root Seed StemREAD MORE
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 feed lots, windorws, altered stream beds, etc.). Trends toward reduced and/or zero tillage and technology for variable rate fertilization (VRF) have especially demanded that soil samples be taken more comprehensively and intensively for more accurate fertilizer and soil amendment application. This brochure will discuss the many methods used for taking an accurate soil sample using various methods and under several different types of tillage solutions.READ MORE
Phosphate and Potash recommendation guide for Midwest Laboratories soil tests.READ MORE