Andy Wycislo

Sulfur and Boron Testing in Soybeans

Sulfur and boron are increasingly important nutrients for soybeans. So, are soil and tissue tests reliable measures? Soil testing is a proven tool for evaluating nutrient availability. In Illinois, the established trend for many is to test every four years, focusing on pH, phosphorus and potassium. But plant growth also requires an adequate supply of several other nutrients. Some assume that Illinois soils do not require micronutrient testing or that testing for them is expensive. Both assumptions may have been true in the past, but neither is true today. The increasing use of the Mehlich III (M3) extraction now [...]

By |March 7, 2018|
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