[Mathematical combinatory at determination multitude of agricultural use alternative variants]
2008
Vakhonin, N.K., National Academy of Sciences. Scientific and Practical Center for Arable Farming (Belarus). Institute for Land Reclamation
Formulae for calculation of the number of experience variants for reception dependencies to productivities from harvest forming factors, necessary number of fields and number of years for their undertaking are analyzed. Dependences of productivity from yield forming factors are the most critical link in optimization tasks of agricultural lands use, as their reception probably exclusively being based on results of multifactorial experiments on yield. The received formulae allow to calculate quantity of variants of the experiences, necessary for reception of yield dependences from yield forming factors of various cultures on various soils with the account and without influence of allelophaty, number of years of their carrying out. The carried out analysis shows, that in connection with the big number of variants of the experimental data necessary for reception of reliable dependences of yield, the organization of system work on their realization is required. Thus reception of such big number of reliable dependences of yield can be carried out only under condition of use as experimental data on yield of each concrete field of an enterprise industrial crops. It can be realized only under condition of conducting in the enterprise the automated book of history of fields in which in a cut of each field yield of grown up crops and already used yield forming factors is annually fixed
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