High Soil Test Phosphorus Effect on Corn Yield | Zendy

Winsor Susan | Zendy

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High Soil Test Phosphorus Effect on Corn Yield

Author(s) -

Winsor Susan

Publication year - 2020

Publication title -

crops and soils

Language(s) - English

Resource type - Journals

eISSN - 2325-3606

pISSN - 0162-5098

DOI - 10.1002/crso.20002

Subject(s) - liberian dollar , phosphorus , fertilizer , yield (engineering) , investment (military) , nutrient , soil nutrients , rate of return , mathematics , test (biology) , return on investment , agronomy , agricultural science , reading (process) , environmental science , agricultural economics , agricultural engineering , zoology , economics , chemistry , political science , engineering , production (economics) , biology , botany , ecology , finance , microeconomics , physics , organic chemistry , politics , law , thermodynamics

Low corn prices have farmers scrutinizing their nutrient dollar return on investment (ROI). A recent University of Nebraska–Lincoln study examines phosphorus (P) application level ROI in continuous corn over six years. The most cost‐effective method of fertilizer P use proved to be a P‐replacement approach with the P rate equal to the P removed from the previous harvest. The research also found that maintaining soil P availability levels above 25 ppm (Bray‐1) wasn't justified. Earn 0.5 CEUs in Nutrient Management by reading this article and taking the quiz at www.certifiedcropadviser.org/education/classroom/classes/706 .

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