The rice fertilizer bed is planted with drought and sparsity, the seedlings are short and strong, the root activity is strong, the cold resistance is good, and the trees are fast after being planted. They have explosive power, strong tillering, high spike rate, large spikes and many grains, and good fruiting performance; Early maturity, 3 to 5 days earlier than conventional cultivation; mature, cost-saving, per mu of rice can be increased by 50 kg than conventional cultivation, the province of Putian, 80% of the agricultural film, the provincial seed 20% to 50%. The key to this technology is to cultivate fertilization seedbeds, dry breeding, sparse planting and reasonable fertilization.
Fertilizer seedbed bed is a seedbed that increases the content of nutrients such as soil organic matter, improves the structure of soil pellets, and improves the strength of the fertilizer and the performance of water storage and soil conservation. Pre-winter per acre seedbed wheat straw 2500 ~ 3000 kg, livestock manure 1500 ~ 2000 kg, superphosphate 150 ~ 200 kg, 50 ~ 60 kg of urea per acre before sowing, superphosphate 100 ~ 150 kg, chlorination Potassium is 30-50 kg, and the soil is mixed.
Drought training during seedlings during dry-leaf education, control the growth of the seedling shoots, promote the root bar, accumulation of nutrients. During the seedling stage, the soil moisture content was maintained at more than 80%. In other periods, the water content was controlled to keep it moist. At noon, the seedlings were watered in the evening when the leaves were rolling, and the degree of top soil was poured. In the event of rainy weather, timely drainage and dehumidification ensure that the rain stops dry, so as to avoid the growth of the seedlings and the loss of the advantages of the dry seedlings.
The sparse planting fertilizer bed has the advantage of rapid growth of leafhoppers in the Honda field. The planting density should be thinner than that of the water maggots, and the number of basic seedlings should be less than that of the otters. The specific density depends on the cultivars, varieties, and fertilizer levels. Hybrid rice has about 15,000 holes per acre, single plants are planted with basic seedlings of 50,000 to 60,000; conventional rice is 18,000 to 20,000 holes per mu, and double-planted basic plants are planted at 60,000 to 80,000 tons. Let the drought and flooding advantage be brought to bear.
Reasonable fertilization The leaf borer grows quickly in the early drought and flood season and has a long functional period in the later period. It should reduce the proportion of fertilizer used in the early stage, increase the amount of spike fertilizer, and prevent the early growth of stem borer. The application ratio of base fertilizer, tiller fertilizer and panicle fertilizer was 4:2:4. When ammonia nitrogen is used as a basal fertilizer, it should be applied dry before planting, and the topdressing fertilizer should be applied dry and watered after application.
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