I. Variety selection: select varieties with good quality and good market potential, such as “Yunhui-290â€, “Xiaotun 502â€, “Huanghuazhan†and “Meixiangâ€.
Second, Daejeon period management
1. Transplanting at the right time: timely transplanting in early May, 40-45 days of age.
2. Reasonable dense planting: The plant is planted with "Dragon Dragons to the sea", specifications: (8 inches + 4 inches) 4 inches, and 25,000 acres per acre.
3, rational fertilization:
(1), the base fertilizer clear: General Mushi 1500-2000 kilograms of farmyard manure as base fertilizer, in the second plowing Mushi dedicated rice compound fertilizer 40 kg for the middle of the fertilizer.
(2), skillfully applied to sub-fertilizer; in the 7-10 days after transplanting, combined application of chemical weeding mu application of 8-10 kilograms of urea, of which "Yunhui 290", "Xuntun 502" lightly applied sub-fertilizer, 5 kg / mu.
Combine topdressing with tiller in 3-10 days after transplanting. Mix with a special herbicide for paddy field and mix well with dry and wet moderate sand or urea.
At present, the commonly used pharmaceuticals are: 30% Tianmaowuten granules are new-type and high-efficiency broad-spectrum paddy field disposable herbicides, which are applied 5-7 days after planting.
In addition to the following points should be noted:
a. Use in strict accordance with the instructions for use of herbicides. Do not exceed the limit or increase the dose arbitrarily.
b. When the pesticide is applied, the field should maintain a 3-5 cm shallow water layer. The height of the water layer should not exceed the height of the seedlings. The water should be kept for 3-5 days after application, and no string irrigation or flooding can be performed.
c. Apply “one standard and two uniforms†when spraying. That is, the application area and the amount of medication should be accurate. The mix should be uniform and the pesticide must be uniformly distributed.
(3) Panicle fertilizer: The application of panicle fertilizer should be based on the situation of seedling growth and the fertility of the field. For seedlings growing weak and weak fertility in Sha Tin, the general mu application of 5 kg of urea or compound fertilizer 8-10 kg.
4. Water management: The general requirements are: "Shallow water planting, deep water living planting, thin water promoting planting, planting enough water for drying, deep water for farming, and wet and dry seeds."
5. Integrated pest management
The principle of prevention and control is: "Prevention as the main and comprehensive prevention and control." After spraying at 3 o'clock on the sunny day, if there is rain within 8 hours after the spraying, it should be sprayed.
(1), Rice blast: control can be used to spray 40% of Fuji No.1 Emulsion 500 times or 40% of Suclo-Edazole Suspension 300 times in the initial stage of disease. The panicle and rice stubble use 75% tricyclazole WP 2000 times solution or 40% thiodiazole colloidal suspension 300 times solution in the smashing breaking season spray, spraying 50-60 kg per mu.
(2) Oryza sativa: Use 20% Jinggangmycin wettable powder 50-75 grams to prevent and treat 10-15 days before rice heading, and then prevent and control once at heading stage.
(3) Bakanae disease: Soaking seeds for 2 hours with 20% liquid soaked in 10%, or 2000-3000 times with 25% Shibaoke EC, and remove the germination without washing.
(4), rice planthoppers: spray with 3000 times of 10% imidacloprid or 25% fluconazole 2000 times liquid.
(5) Locust: According to the forecast, during the initial period of the ant hive, 50% of the cassava-soled oil was used as a 1000-fold solution or 18% of the insecticidal biphasic solution was used as a 200-300-fold solution.
(6) Mythimna separata: In the field when the insect population reaches the control index, 5% of Fuling EC 2500-3000 times or 15% faster enemy emulsion 2000-2500 times spray can be used.
6, timely harvest: rice harvest must wait until full maturity, harvest too early, broken rice and more rice, poor yield and quality, too late loss of falling grain, pay attention to the weather forecast, timely harvest, so as not to be overwhelmed by the rain , mildew badly affects the yield. Three characteristics must be mastered: the grain is hardened, the cobs are dried up and down, and two-thirds of the stems have dried up. Http://
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