The output and yield of the standart fraction of potato minitubers at the introcuction of chelated fertilizers on the nutrient soil Agrobalt N under the tunnel cover
https://doi.org/10.32634/0869-8155-2022-360-6-86-91
Abstract
Relevance. The use of chelate fertilizers in the cultivation of healthy potato plants on various nutrient substrates under tunnel shelters.
Methods. The study was carried out by the method of setting vegetation experiments in closed ground.Vegetation studies were carried out in the Bryansk region with chelated fertilizers on the nutrient soil of Agrobalt N under protection from viral infection in 2018–2020. Highly concentrated liquid chelated fertilizers with trace elements, amino acids and adhesive were used. Background of mineral fertilizers (nitroammophoska 1:1:1) N60P60K60 (per vessel N0,3P0,3K0,3), the total area of the plot under 20 vessels was 1.05 m2, the repetition is fourfold. Protection of plants from pests (Colorado potato beetle, potato cow) was carried out with Regent (30 g/ha) and Mospilan (50 g/ha), from diseases (late blight, alternariosis) – with Ordan (2.5 kg/ha) and Thanos (0.6 kg/ ha). Drip irrigation was carried out as needed. After establishment and during budding, the number of plants on the accounting plots was counted. The tops were removed 2 weeks before harvesting. Tuberous analysis of mini-tubers was carried out a month after harvesting. The total harvest was taken into account separately for all repetitions. Mathematical processing of experimental data was carried out using variance analysis.
Results. As a result of the research, it was found that in order to increase both the total quantitative yield and the standard fraction of mini-tubers of early potato varieties Meteor and Bryanskiy delikates on the soil of the Agrobalt N highly concentrated liquid chelated fertilizers with trace elements, amino acids and Izagri Fosfor adhesive (0.5 ml/m2) should be used for spraying plants under protection from infection vectors into the soil before planting microplants, as well asadditional spraying of plants with Izagri Fosfor(0.3 ml/m2) in the budding phase with further introduction of Izagri Potassium 0.3 ml/m2) with tuber formation.
About the Authors
A. A. Molyavko
Federal State Potato Research Center named after A.G. Lorkh
Russian Federation
Russian Federation
Molyavko Aleksey Aleksandrovich, doctor of agricultural sciences, senior researcher
Lorkh st., 23, v.Kraskovo 1, Luberetskiy district, Moscow region, 140051
A. V. Marukhlenko
Federal State Potato Research Center named after A.G. Lorkh
Russian Federation
Russian Federation
Marukhlenko Anna Vasilevna, candidate of agricultural sciences, head of laboratory
Lorkh st., 23, v.Kraskovo 1, Luberetskiy district, Moscow region, 140051
N. P. Borisova
Federal State Potato Research Center named after A.G. Lorkh
Russian Federation
Russian Federation
Borisova Nina Petrovna, candidate of agricultural sciences, senior researcher
Lorkh st., 23, v.Kraskovo 1, Luberetskiy district, Moscow region, 140051
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Review
For citations:
Molyavko A.A., Marukhlenko A.V., Borisova N.P. The output and yield of the standart fraction of potato minitubers at the introcuction of chelated fertilizers on the nutrient soil Agrobalt N under the tunnel cover. Agrarian science. 2022;(6):86-91. (In Russ.) https://doi.org/10.32634/0869-8155-2022-360-6-86-91
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