Abstract
Long-Term Nitrogen and Phosphorus Fertilization of Irrigated Corn
Highlights
This study was initiated in 1961 to determine responses of continuous corn and grain sorghum grown under flood irrigation to N, P, and potassium (K) fertilization
Long-term research shows that phosphorus (P) and nitrogen (N) fertilizer must be applied to optimize production of irrigated corn in western Kansas
Application of 120 lb/a N produced about 91% of maximum yield in 2014, which was similar to the 10-year average
Summary
Part of the Agricultural Science Commons, Agriculture Commons, and the Agronomy and Crop. D. (2015) "Long-Term Nitrogen and Phosphorus Fertilization of Irrigated Corn,". Kansas Agricultural Experiment Station Research Reports: Vol 1: Iss. 3. Agricultural Experiment Station Research Reports by an authorized administrator of New Prairie Press. Contents of this publication may be freely reproduced for educational purposes. Brand names appearing in this publication are for product identification purposes only. Nor is criticism implied of similar products not mentioned. K-State Research and Extension is an equal opportunity provider and employer
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