EFFECTS OF CULTIVATION TECHNIQUES ON MAIZE PRODUCTIVITY FOR FEED PURPOSES
https://doi.org/10.26898/0370-8799-2017-5-5
Abstract
Results are given from studies on the effects of cultivation techniques on productivity of early-ripening maize hybrid Obskiy 140 SV when cultivated for silage and fodder-grain purposes under conditions of the West Siberian forest steppe. The cultivation techniques have been optimized, when the early-ripening maize hybrid Obskiy 140 SV (FAO 140–150) was grown for silage and fodder-grain purposes using mineral fertilizers in a dose of N60P60K40, and without fertilizers. The optimum complex of techniques under conditions of the West Siberian forest steppe was found to be two harrowings and two inter-row tillage using fertilizers in a dose of N60P60K40. These techniques provide increasing green and dry mass yields 3.6–3.8 times, as compared with the control (without crop cultivation, without fertilizers), with the maximum outputs of metabolizable energy (110.3 GJ) and feed units (94.1 centner) per ha. Maize cropping without fertilizers against a background of the entire complex of cultivation techniques provides the increases in green mass yield by 201% and dry mass yield by 188% as compared with the control. Carrying out the complex of crop cultivation techniques contributes to a reduction in weed infestation by 70%. Fertilizers applied to maize without cultivation techniques are largely used by weeds. When early-ripening maize hybrid Obskiy 140 SV is cultivated for fodder-grain purposes, carrying out the full complex of crop cultivation techniques with and without using fertilizers is necessary to obtain grain yields up to 45.3 centner per ha.
About the Authors
N. I. KASHEVAROV
Siberian Federal Scientific Centre of Agro-BioTechnologies, RAS
Russian Federation
Member of RAS, Doctor of Science in Agriculture, Acting Director
Russian Federation
Member of RAS, Doctor of Science in Agriculture, Acting Director
A. A. POLISHCHUK
Siberian Research Institute of Fodder Crops, SFSCA RAS
Russian Federation
Russian Federation
Candidate of Science in Agriculture, Laboratory Head
Krasnoobsk, Novosibirsk Region, 630501, Russia
V. I. PONOMAREVA
Siberian Research Institute of Fodder Crops, SFSCA RAS
Russian Federation
Russian Federation
Researcher
Krasnoobsk, Novosibirsk Region, 630501, Russia
A. N. LEBEDEV
Siberian Research Institute of Fodder Crops, SFSCA RAS
Russian Federation
Russian Federation
Junior Researcher
Krasnoobsk, Novosibirsk Region, 630501, Russia
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Review
For citations:
KASHEVAROV N.I., POLISHCHUK A.A., PONOMAREVA V.I., LEBEDEV A.N. EFFECTS OF CULTIVATION TECHNIQUES ON MAIZE PRODUCTIVITY FOR FEED PURPOSES. Siberian Herald of Agricultural Science. 2017;47(5):40-46. (In Russ.) https://doi.org/10.26898/0370-8799-2017-5-5
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