Machine insert rice should be how to fertilize
1 In general, machine-inserted rice seedlings are small and have a long seedling-releasing period, but after the seedlings are grown slowly, the tillers grow rapidly. Therefore, in order to improve the quality of soil preparation, we must combine the rational application of fertilizer with the scientific management of water, and conduct comprehensive management. For fertilization, nitrogen, phosphorus, and potassium fertilizers should be used in conjunction with the application of nitrogen fertilizer at different stages. It is recommended that the proportion of nitrogen applied at different stages be: basic fertilizer: manure: booting fertilizer = 4:2:4. At the same time, in terms of water management, shallow water transplants should be implemented. Improve the quality of rice transplanting; appropriate drying during the tillering period to promote roots under the bar and strong seedlings; booting phase should be alternating wet and dry, filling period to maintain the water layer to increase the number of grains per spike and increase grain weight. Specific fertilization and water management, but also see the quality, depth and seedling transplanting, must not be applied. 2 Rice transplanting machine deep penetration technology is a high-yielding cultivation technology that is being tried out and promoted in recent years, such as 853 farms in Heilongjiang Province. It is burying chemical fertilizer quantitatively in the depth of 4 to 5 centimeters and at the same time 5 to 6 cm of paddy soil. Because the fertilizer slowly dissolves in the soil, it can continue to function during the entire growth period of the rice, thus significantly improving the fertilizer utilization rate. Compared with conventional machine-assisted rice fertilization, the total amount of fertilization can be appropriately reduced and concentrated in the transplanting, but it is still necessary to pay attention to whether or not defertilization occurs in the later period.
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Expanded metal also named diamond metal mesh, that uses the high quality low carbon steel plate, aluminium plate, stainless steel plate, galvanized steel plate, nickel plate, titanium plate, lead plate and so on be punched to mesh. Expanded metal mesh including: standard expanded metal, flattened expanded metal, architectural expanded metal, micro expanded metal, ribbon expanded metal, custom fabricated expanded metal.
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