soil sampling
When we make fertilizer recommendations for upcoming crops, it’s good to consider nitrogen credits from past crops. Leguminous species like soybean, alfalfa, and clover may provide a nitrogen credit for the next season’s crop. However, there are a few misconceptions about where the nitrogen credit comes from. Soybean Nitrogen Credits For this example, we’ll talk...
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Ward Laboratories uses soil test methods developed and calibrated by land grant universities.  Standard methods are published in several manuals.  We prefer to use standard methods that have performed well for many years. Soil pH & EC: We use a 1:1 water pH.  This means we measure 10 grams of soil and 10 mL of...
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