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Effects of Nitrogen and Phosphorus Fertilizers on the Yield of Irrigated Grain Sorghum in Southwestern Kansas 1
Author(s) -
Herron George M.,
Erhart Andrew B.
Publication year - 1960
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1960.00021962005200090003x
Subject(s) - sorghum , agronomy , phosphorus , nitrogen , yield (engineering) , acre , grain yield , environmental science , fertilizer , organic matter , chemistry , biology , materials science , organic chemistry , metallurgy
Synopsis Good grain yields were obtained with 40 to 80 pounds of nitrogen per acre. There was little yield response to phosphorus. Soil organic matter was not a reliable index to the need for nitrogenous fertilizer.