Efficiency of integrated use of mineral and microbiological fertilizers on winter rye yield in the Novgorod region
https://doi.org/10.32634/0869-8155-2021-345-2-81-83
Abstract
As a result of the research experiment it was established that the highest yield of winter rye grain of 7.3 and 6.3 t/ha and digestible protein of 0.66 and 0.57 t/ha were obtained when applying doses of mineral fertilizers based on the planned yield (background 1) and reduced by 50% (background 2) in relation to background 1 and double use of microbiological fertilizers: in a tank mixture with a pesticide when etching seeds of 2.0 l/t and non-root treatment of crops in the tillering — exit phase at plant height up to 30 cm of 1 l/ha of each preparation. The use of Azotovite and Phosphatovite twice in technological operations allowed to obtain an additional yield of winter rye grain of 2.4 and 2.1 tons per hectare (more than 48%) in relation to backgrounds 1 and 2 respectively. High grain yield and low cost of microbiological fertilizers, as well as their combined use in tank mixtures with pesticides, provided high energy-economic indicators of winter rye cultivation technologies: low energy intensity of production of a ton of grain (less than 2.4 GJ), high energy efficiency coefficient (more than 7.2 units), production profitability of more than 170%.
About the Authors
L. V. Tiranova
Novgorod Research Institute of Agriculture — branch of the St. Petersburg Federal Research Center of the Russian Academy of Sciences
Russian Federation
Russian Federation
Ludmila V. Tiranova.
173516, Novgorod region, Novgorodsky district, Borki village, Parkovaya str., 2.
A. B. Tiranov
Novgorod Research Institute of Agriculture — branch of the St. Petersburg Federal Research Center of the Russian Academy of Sciences
Russian Federation
Russian Federation
Alexander. B. Tiranov.
173516, Novgorod region, Novgorodsky district, Borki village, Parkovaya str., 2.
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For citations:
Tiranova L.V., Tiranov A.B. Efficiency of integrated use of mineral and microbiological fertilizers on winter rye yield in the Novgorod region. Agrarian science. 2021;(2):81-83. (In Russ.) https://doi.org/10.32634/0869-8155-2021-345-2-81-83
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