We compare the P1 Bray Colormetric, Neutral Ammonium Acetate ICP, and DTPA ICP methods to Mehlich III ICP analysis for Phosphorus, Cations (K, Mg, & Ca), and micronutrients (B, Cu, Fe, Mn, & Zn) respectively. The analysis was compared on 664 samples from the Midwest United States and Canada. Correlation of results between methods and relative values are shown.
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The Agronomy Handbook is a comprehensive resource that discusses soil properties, plant essential nutrients, as well as soil test results and recommendations. It also covers soil sampling, fertilizer application methods, nutrient deficiency symptoms in plants, plant tissue analysis, nutrient uptake and removal in crops, and conversion factors for U.S. and metric measurements.READ MORE
This Memo helps you understand the challenges associated with cyst nematodes. We cover how to sample a field or area, how to submit samples for cyst analysis, and how to interpret results and manage cyst nematode affected fields.READ MORE
This video will give you insight into understanding your soil test results regarding Phosphorus, Potassium, Cations, and Percent Base Saturation.READ MORE