Late rice no-tillage cast has been widely used in southern Hunan. This technology saves labor, saves money, and increases efficiency. It is welcomed by the majority of farmers. However, late rice no-tillage seedling transplanting due to prosperous early growth, shallow root distribution, not deep into the soil, as well as uneven density, pest damage and other factors, such as improper management will easily lead to late lodging, affecting production. Therefore, the following prevention and control measures shall be taken after no-tillage and late-seeding of late rice: The first application of chemical fertilizer is to apply good base fertilizer late rice during no-tillage throwing, due to high temperature, strong solar radiation, in order to reduce fertilizer losses, avoid seedlings produce fertilizer, generally every 2667 square meters of rice field compound fertilizer with 30 kg to 40 kg per 667 square meters Mix 10 kg to 12 kg of urea and spread it evenly throughout the field 1 day before throwing. The second is the right amount of nitrogen fertilizer early rice no-till throwing seedlings fast seedlings, tiller early, the first top dressing should be thrown after 5 days to 7 days, every 667 square meters with urea 8 to 10 kg combined with herbicide application. The third is to increase potash fertilizer in the young panicle differentiation period to the heading stage, with potassium chloride 8 kg to 10 kg per 667 square meters mixed with fine soil applicator, or 667 square meters with potassium dihydrogen phosphate 1 kg water 30 kg spray , can promote thick stalks and improve lodging resistance. Timely field control seedlings late rice no-tillage seedlings grow faster, more early delivery, should take the "time to not seedlings" or "male to unequal" when the principle of drying field, timely control of seedlings. In the field, combined application of potash fertilizer and uniconazole, can inhibit internode elongation, but also make the seedlings between internode thickening, and have good anti-inversion effect. Scientific management of water in no-tillage and late-stage rice dumplings is the key to water management. From the spike differentiation stage to the heading stage, shallow water irrigation is done until the water is naturally dry and then rewatered. In the grain filling period, dry and wet alternate irrigation methods are adopted. This will not only increase the vitality of the roots, but also enhance the root holding power and enhance the lodging resistance. Strengthen the prevention and control of pests and diseases The late rice no-tillage and cast-broadcasting group is large and shaded in the field, which can easily lead to the occurrence of S. japonicum, P. syringae, rice planthopper and sheath blight. The serious harm of these pests and diseases can easily cause lodging. In terms of prevention and control, according to the pest information of the agricultural technology department, the pesticide of the counterpart should be selected to prevent and control the damage caused by the stem damage. Prevention of Scutellariae Warbrinosis, Saponin and Tribulus terrestris per 667 square meters can be used triazophos 100 grams plus 500 grams of double insecticide, or Ruijin special 30 ~ 50 ml or 120 ml sharp rule. Prevention of rice planthoppers: 30 ml of fipronil can be used per 667 square meters, or 30 to 50 grams of imidacloprid. When using the above agents, 60 kg of water must be sprayed or mixed. phenibut hcl australia,phenibut hcl and acid,phenibut hcl adalah Shaanxi YXchuang Biotechnology Co., Ltd , https://www.peptide-nootropics.com
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No-till throwing should be put in place