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Харитина Ивановна Максимова Анна Николаевна Сметанина Николай Васильевич Колесников


The results of a study of the productivity and introduction of promising varieties of forage crops in the conditions of the Prilensky and Privilyuisky agricultural landscapes are presented - sunflower “Kulundinets”, corn “RIK-340”, paniculate amaranth “Bagryany”, millet “Baganskaya 88”, rapeseed “SibNIISKH 21”, grain sorghum “Perspective 51”, Sudan grass, vetch and oatmeal mixtures. Field experiments were carried out in 2009-2014. in the second terrace above the floodplain of the Prilensky agricultural landscape on the site. "Moidoh" of the agricultural firm "Nemugyu". Technological measures for cultivating fodder crops were carried out according to the zonal farming system. Seeding rates for sunflower: 30-40 kg/ha, rapeseed 10-12 kg/ha, corn 70 kg/ha, millet, sorghum 20 kg/ha, pure oats 200 kg/ha. in a mixture of 150 kg/ha. Mineral fertilizer was applied as a background fertilizer at a dose of (NPK) 60. Watering was carried out with a KI-5 sprinkler unit at a rate of 250 m3 2-3 times during the growing season. Statistical processing of experimental data is carried out by the SNEDECOR package program developed by O.D. Sorokin (SibNII SKhM SO RAASKhN) and Microsoft Excel 2003. Calculations of nutritional value were carried out according to the methodology of the All-Russian Research Institute of Feed (1995) and modern instruments: infrared analyzer SpectraStar model 2200. The work was carried out using equipment (IR Analyzer Spectra Star 2200 based on the Shared Use Center of the Federal Research Center YSC SB RAS). According to research results, forage crops provide high yields of green mass and productivity. In the conditions of the Prilensky agricultural landscape, the yield of green mass of sunflower and corn averaged 44.2 t/ha, sorghum - 19.0, amaranth - 28.1, rapeseed - 32.6, millet - 21.4 t/ha. Oats and oat-rapeseed mixture provided 16.2 and 25.2 t/ha, respectively. In terms of nutritional value, 1 kg of dry matter contains digestible protein from corn (70.7 g), amaranth (202.3 g) and sunflower (103.4 g); the metabolic energy yield of these crops is 8.5-9.3 MJ. Security 1 k.u. digestible protein in amaranth is up to 287.0 g. The highest gross energy is observed in amaranth and oat-rapeseed mixture - 19.0; 19.4 MJ respectively. The highest yield of feed units is observed in sunflower - 0.7 and in amaranth - 0.7. Thus, promising crops provide high productivity and nutritional value.

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Crop husbandry


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