1. Choose the "Ningbo Xicao" field, which is good for pure seeding, high-quality, high-yield, and convenient irrigation and drainage.
2. Reserved land reserved area The ratio of mat grass stay field and Daejeon is suitable for 1:8~10.
3. Timely harvesting, pay attention to the harvesting technology. The time for harvesting seedlings to stay in the field is generally 7 days to 10 days later than the harvest time of the field. 10 days before the harvest, drain the water in the field, make the mud surface hard and select the sunny evening to harvest. If harvesting on a sunny day, apply straw to cover the seedlings after mowing.
4. Strengthen seedling management First, weeding and weeding. The second is to promote seedling fertilization. The entire seedling stage can be top dressing 2 times to 3 times, 667 square meters each time with 250 kilograms of decomposed human urine diluted with water and drizzle. The third is drought prevention. The fourth is to strengthen the control of pests and diseases of seedlings.
Second, do a good job in transplanting mats transplanted in the field from mid-October to mid-November is appropriate. Before transplanting, it requires a fine soil preparation, sufficient basal fertilizer, and a flat surface. Closely planted. Plant spacing 20 cm 30 cm or 23 cm 30 cm, each cutting 5 seedlings ~ 6 seedlings.
Third, do a good job in field management
1. Strive to fill seedlings after 3 days~4 days after seedling insertion.
2. In time cultivators generally cultivating once or twice, the first cultivator combined with the first topdressing, the second time before and after the Spring Festival.
3. Reasonable drainage and irrigation of grass mats The water management in the early period of maternity (from transplanting to late February in the following year) should adhere to the principle of "deep-shallow-deep". After the mat grass is transplanted, there is a period of returning to the green period and the deep water (3 cm to 5 cm) should be properly filled. After mat grass returns to green, it enters the stage of tillering before winter, and it should adhere to shallow water ground irrigation and open field. The mat grass should be filled with deep water (6 cm to 7 cm) during winter. In mid-fertility, shallow water irrigation should be maintained. From the 20 days before mat grass harvest, more than 7 cm of deep water should be poured to promote effective grass stem elongation and maturation, inhibiting the germination of ineffective grass stems. At the same time, the later deep-water irrigation is more conducive to the white and soft grass stem base, less sediment, good color, textile processing mat edge beautiful, durable.
4. The scientific fertilization mats are generally top dressing 4 times during the entire growth period. For the first time in the initial stage of mat mating, 400 to 500 kilograms of manure was mixed with 1,500 to 2,000 kilograms of fire and earth ash per 667 square meters for cultivating; the second time at the edge of the twelfth lunar month, manure was applied at 667 square meters. Urine 1000 kg ~ 1500 kg; the third time in late March ~ early April, 15 kg ~ 20 kg of urea per 667 square meters; the first time in early May to see seedlings make a protection against bad green fertilizer, Usually 3 kg to 5 kg of urea per 667 square meters.
5. Strengthen Pest Control Pests and diseases of grass mats include mat grass carps, sharp blight, and sheath blight. Control grass mats, general use of triazophos or anti-irritability and so on. The prevention of grass blight is generally used Shike or Lek. Prevention of mat grass sheath blight is generally used Jinggangmycin.
Fourth, do a good job harvesting straw mat grass is generally harvested between the small to full-grown species. When harvesting, grab a sunny day and the field should be filled with more than 10 cm of deep water. Pay attention to the cutting of mud, wash the grass in time, and shake the yellow grass. Before planting grass, sprinkle some ash on the grass stems to facilitate color enhancement and quality improvement. Sun grass should be evenly distributed, under normal circumstances, the sun can be stored for 2 days.
Agricultural Chemicals refer to the inputs in agricultural production such as fertilizers, pesticides, veterinary drugs and growth regulators, their use can promote the production of edible agricultural products, in the sustained and rapid development of agriculture plays an important role. Agrochemicals can be divided into 3 categories: chemical fertilizer, pesticide and agricultural film.
1. Chemical fertilizer is the abbreviation of chemical fertilizer. It refers to the fertilizer made by chemical and/or physical methods containing one or more nutrient elements needed for the growth of crops. It is mainly used to improve soil fertility and increase the yield of crops per unit area. Nitrogen fertilizer, phosphate fertilizer and potash fertilizer are the most common fertilizers.
2. Pesticides refer to all kinds of germicidal, insecticidal and herbicidal drugs used to promote and protect the healthy growth of crops. Pesticides play an active role in agricultural production and play an important role in the comprehensive control of plant diseases and insect pests.
3. Agricultural film is mainly used for mulching cultivation technology, which contributes greatly to the increase of agricultural yield and income and the production of off-season crops.
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