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Precise placement of fertilizer in a strip-till system is often cited as a primary motivation for adoption of the practice. The benefits of banded applications can include higher yields, reduced runoff and increased availability of nutrients for growing plants, says David Mengel, emeritus Kansas State University agronomy professor and soil fertility expert. But how does placement of phosphorus (P) in strip-till compare to other tillage systems and application practices?
Mengel, who currently operates a farm in Randolph, Kan., shares and analyzes results of recent research on P application to corn and soybeans in different tillage systems and offers agronomic considerations for how strip-tillers can be more efficient with P applications.