Northeast Research and Demonstration Farm

Phosphorus and Potassium Fertilization for Corn and Soybean Grown in Rotation for 30 Years

Authors: Antonio P. Mallarino (Iowa State University) , Kenneth T. Pecinovsky (Iowa State University)

Abstract

A long-term experiment has been conducted since 1979 at the ISU Northeast Research and Demonstration Farm, Nashua, Iowa, to study the effects of phosphorus (P) and potassium (K) fertilization on soil-test values and grain yield of corn and soybeans grown in rotation.

Keywords: Agronomy

How to Cite: Mallarino, A. P. & Pecinovsky, K. T. (2014) “Phosphorus and Potassium Fertilization for Corn and Soybean Grown in Rotation for 30 Years”, Iowa State University Research and Demonstration Farms Progress Reports. 2013(1).