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Effect of Variation in Fertilizer Rates and Ratios on Yield and Profit Surfaces 1
Author(s) -
Engelstad O. P.
Publication year - 1963
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/agronj1963.00021962005500030017x
Subject(s) - fertilizer , profit (economics) , yield (engineering) , agronomy , economics , profit rate , mathematics , environmental science , agricultural economics , biology , physics , microeconomics , thermodynamics
Synopsis Yield and profit surfaces from two selected corn and cotton experiments indicate that a rather wide range of flexibility in fertilizer rate and ratio is possible without seriously affecting either yield or profit.