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635.655:631.51 (1) |
Plante de grădină. Grădinărit (699) |
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SM ISO690:2012 СЫРОМЯТНИКОВ, Юрий. Влияние локального рыхления почвы на урожайность сои. In: Ştiinţa Agricolă, 2019, nr. 1, pp. 117-124. ISSN 1857-0003. |
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Ştiinţa Agricolă | ||||||
Numărul 1 / 2019 / ISSN 1857-0003 /ISSNe 2587-3202 | ||||||
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CZU: 635.655:631.51 | ||||||
Pag. 117-124 | ||||||
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The effectiveness of the local soil loosening for soya was studied in comparison with soil inversion tillage during a three-year experiment. Experimental design: 4 variants of chisel plow treatment and a conventional moldboard plowing with inversion of the soil layer at the depth of 18-20 cm (control). The task of chisel tines is to provide a predetermined stroke depth in conditions of high soil density, as well as to create conditions for improving the accumulation of moisture and air in the soil. Non-inversion soil tillage creates favorable conditions for the growth and development of soya plants and provides higher grain yield compared with plowing . The soil moisture content by the beginning of spring field works in all areas where local soil loosening was carried out since autumn was 0.4–1.3% higher compared to plowing. The highest field germination (76.4%) and plant density (535 thousand/ha) were in the variant of local soil loosening on a depth of 18-20 cm with a spacing of 0,5 m between tines. The difference in soil moisture content between inversion and non-inversion soil tillage was maintained until the flowering phase. During this period, the moisture content in the areas of local soil loosening was 0.6–4.8% higher in comparison with plowing. This improved the conditions for the growth of soybean plants which height was 2.1–3.8 cm more with local soil loosening. In all variants of non-inversion soil tillage, grain yield was by 0.03-0.07 t/ha more than in the control. The highest yield (1.03 t/ha) was obtained in the variants of soil loosening to a depth of 40 cm |
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Cuvinte-cheie Local loosening, Moldboard tillage, Soil moisture, Soil density, Crop performance, Glycine max, Локальное чизелевание, Oтвальная обработка, Влажность почвы, Плотность почвы, урожайность, Glycine max |
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