The mechanized precision seeding technique of rapeseed refers to the optimal seeding amount, line spacing and hole spacing (or grain distance) according to the agronomic requirements after the harvest of the former sorghum crops, with the precision seeding technology as the core, integrated ditching, rotary tillage and mites The fertilization combined planter with multiple techniques such as fertilization and soil covering directly spreads rapeseed seeds to the ideal position of rapeseed in the ideal position of the field soil.
This technology can reduce rapeseed planting operations, shorten farming time, ensure farm time; reduce labor intensity, improve labor environment; significantly improve production efficiency, increase farmers' income, and promote the sustainable development of rapeseed industry. The technology can save labor, save seeds and save fertilizer, and increase the efficiency of more than 120 yuan per acre. At the same time, the straw can be returned to the field to increase soil organic matter content and fertility.
skills requirement:
1. Preparation of the plot: The surface of the plot should be relatively flat with a slope of no more than 15 degrees; the height of the stubble of the former crop should be no more than 300 mm; the relative humidity of the soil is 40%-60%.
2, seed preparation: the selection of high-quality seeds, the seed moisture content is not higher than 9%, the clarity is not less than 97%, the germination rate is more than 90%. Selective treatment before planting, in line with the requirements of mechanized operations.
3. Fertilizer preparation: Use granular fertilizer to prevent chemical fertilizer from agglomerating in the fertilizer tank.
4. Sowing date selection: determined according to local climatic conditions. The amount of mechanical precision seeding is generally controlled at 150-250 g/mu.
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In a hydroponic system, plants are placed in nutrient-enriched water. Mediums such as gravels, sand or vermiculite can also be used. Thus plants which are placed in the water absorb the nutrients very easly. When the nutrients from the water starts finishing , water is recycled or additional nutrients are added.
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