Establishment and grain yield of oats in tilled soil and direct sowing

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The conditioning of soil, as an agricultural strategy, improves the yield of aerial biomass in oats. The aim of this study is to evaluate establishment, yield of forage and grain production of oat crop in soil conditions with tillage and direct sowing, in rain-fed. The experimental design was random blocks with 6 repetitions for the green biomass plots and 12 repetitions for grain. The experimental plot was constituted by 25 m2. The cultivar used was La Estanzuela 1095a. It was determined: establishment of crop, yield of dry matter and grain, dry matter from aerial part and root, and the resistance of soil to the penetration. The germination in tillage soil and direct seed, showed 98.1 and 49% emergence, respectively. The dry matter of the aerial part and root, did not show significant statistical differences. Penetration resistance showed statistical differences in depths 6 and 11 cm, being higher in direct sowing. The yield of dry matter, showed significant statistical differences, being 56% higher on tilled soil. This soil showed less resistance to penetration, better establishment and dry matter yield of oats, offering more biomass for grazing.


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