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A Linear Program for Determining Nutrient Culture Mixtures 1
Author(s) -
Jensen D. R.,
Sutton Paul
Publication year - 1968
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/agronj1968.00021962006000050039x
Subject(s) - nutrient , set (abstract data type) , linear programming , mathematics , environmental science , chemistry , computer science , mathematical optimization , organic chemistry , programming language
Procedures are given for determining the quantities of compounds to be used in preparing nutrient cultures which satisfy the requirements of quantitative plant nutrition experiments. In the example discussed the concentrations of N(as NH + 4 ), P, and N(as NO − 3 ) are specified exactly, while minimum concentrations are given for K and Mg. From a set of compounds containing the requisite nutrient elements, a recipe is obtained which satisfies the requirements while minimizing concentrations of Na and Cl. This formulation is achieved by an iterative procedure called linear programming which utilizes a tabular solution to the problem.