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2022, № 5 (53) |
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GENERAL AGRICULTURE, PLANT GROWING
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Epifantsev V.V., Panasyuk A.N., Oborskaya J.V. |
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Response of soybean varieties (Glycine max (L.) Merr.) to combined application of pesticides and polymer-chelate fertilizers in the Amur region conditions |
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The necessity of research is due to an increase in yields and an increase in gross yields of soybeans in the region. The purpose of the work is to establish the effectiveness of the combined use of plant protection products against weeds and diseases with polymer-chelate forms of fertiliz-ers on crops of various soybean varieties in the conditions of Amur region. A two-factor field ex-periment was laid on the experimental field of the Far Eastern Research Institute of Agricultural Mechanization and Electrification in 2019-2020. Options: Factor A – soybean varieties: 1. Lazurnaya St; 2. Umka; 3. Nega-1; 4. Maksus; 5. Kofu. Factor B – chemical treatment: 1. The control – without treatment; 2. After sowing – herbicide Lazurit Super, KNE, then herbicide for vegetation – Korsar Super, VRK + Miura, KE, then fungicide for vegetation Kolosal Pro, KME. 3. After sowing – Lazurit Super, KNE, for vegetation – Korsar Super, VRK + Miura, KE + Akvadon Micro for legumes + Kora NPK, then Kolosal Pro, KME - 0.5 l / ha + Aquadon Micro for leg-umes + Kora NPK 2. Each soybean variety corresponded to three options of chemical treatment. The most responsive to the mixture of preparations is option 3 of the soybean variety Maksus. On average, over two years of research, the third option provided an increase in yield relative to the control by Lazurnaya variety by 20.78%, and fertilizers relative to plant protection products by 2.76%; by the soybean variety Umka, respectively, 25.97% and 3.17%; by Nega 1 variety – 38.06% and 2.29%; Maksus – 14.35% and 6.22%; Kofu - 26.63% and 11.83%. In 2019, which is favorable in terms of meteorological conditions, polymer-chelate fertilizers in mixtures with plant protection products are effective on the soybean varieties Lazurnaya, Umka, and Maksus, and less favorable on the soybean varieties Nega 1 and Kofu.
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