The role of drained agrolandscape and fertilizers in the formation of productivity of oats and the efficiency of its cultivation in the conditions of the Upper Volga region
https://doi.org/10.32634/0869-8155-2025-396-07-122-128
Abstract
Relevance. In 2022–2024, in the Tver region, on drained lands, the influence of the agrolandscape and fertilizers on the productivity of oats (Avena sativa L.) of the Yakov variety and the efficiency of its cultivation in a grain-grass crop rotation were studied to predict the yield of oats in individual agro-microlandscapes on different agricultural backgrounds.
Methods. The influence of agrolandscape and fertilizers on the productivity of common oats was studied in a grain-grass crop rotation. Experimental design: agromicrolandscapes (factor A) — transit-accumulative of the southern slope; transit of the southern slope; eluvial-transit of the southern slope; eluvial-accumulative (hilltop); eluvial-transit of the northern slope; transit of the northern slope; transit-accumulative of the northern slope and fertilizer background (factor B): 1) — control (N30): 2) N60P60К60.
Results. It was found that the application of complete NPK at a dose of 60 kg/ha in the active ingredient under oats contributed to obtaining the maximum increase in grain yield of 0.67 t/ha in the lower part of the northern slope. According to the oat yield obtained in the variant with the use of fertilizers at a dose of N60P60К60, a close direct correlation was established with the elements of the yield structure: the number of grains in a panicle (r = 0.81), the number of productive stems (r = 0.78) and the weight of grain from 1 panicle (r = 0.76). The use of fertilizer provided the maximum increase in the weight of 1000 grains (5.8 g) at the top of the hill and the weight of grain from 1 panicle (18.6%) in the upper part of the northern slope. The maximum conditional profit (31.65 thousand rubles/ha) and profitability (121.1%) were obtained in the control variant in the eluvialtransit microlandscape of the southern slope.
Keywords
agrolandscape,
oats,
grain,
plant,
agricultural background,
fertilizer,
economic efficiency,
crop structure,
drainage
Supporting agencies: The materials were prepared with the support of the Ministry of Education and Science of the Russian Federation within the framework of the state assignment of the Federal State Budgetary Scientific Institution of the Federal Research Center “V.V. Dokuchaev Soil Institute” (VNIIMZ) (topic No. 0439-2022-0017).
About the Authors
M. V. Rublyuk
Federal Research Centre V.V. Dokuchaev Soil Science Institute
Russian Federation
Russian Federation
Maria Vladimirovna Rublyuk, Candidate of Agricultural Sciences, Senior Researcher, Department of Monitoring the Condition and Use of Drained Lands
7/2 Pyzhevsky pereulok, Moscow, 119017
D. A. Ivanov
Federal Research Centre V.V. Dokuchaev Soil Science Institute
Russian Federation
Russian Federation
Dmitry Anatolyevich Ivanov, Doctor of Agricultural Sciences, Professor, Corresponding Member of the Russian Academy of Sciences, Head of the Department of Monitoring the Condition and Use of Drained Lands
7/2 Pyzhevsky pereulok, Moscow, 119017
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For citations:
Rublyuk M.V., Ivanov D.A. The role of drained agrolandscape and fertilizers in the formation of productivity of oats and the efficiency of its cultivation in the conditions of the Upper Volga region. Agrarian science. 2025;(7):122-128. (In Russ.) https://doi.org/10.32634/0869-8155-2025-396-07-122-128
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