After the spring begins, it is the peak period of vegetable cultivation. At present, growers should grasp the winter period, plan well, prepare supplies, and purchase seeds to lay a foundation for high yields and quality. Fertilizer composting The crop stalks, weeds, soil, garbage, human waste, urine, etc. are mixed and piled up to fully rot, and a very good fertilizer, compost, can be made. The nutrients of this fertilizer are relatively complete, which can basically meet the needs of the growth and development of vegetables. At the same time, it can improve soil, enhance soil fertility, and can also inhibit the occurrence of plant diseases. Since compost is mainly produced by microbial fermentation, it is necessary to create conditions conducive to microbial life activities. These conditions include 60% to 75% of moisture, 20% of human excreta, 2% to 4% of lime or plant ash, a temperature of 40-50°C, and a certain pH and appropriate aeration conditions. Composting is done as follows - First, we must select the compost address to prevent leakage of fertilizer. Generally should choose to shelter from the sun, good drainage, close to the field of the vegetable field, the ground is really fast, surrounded by soil or digging cross-shaped groove, the groove should also be tapping tight, and then lay the straw about 50 cm high, cover a Layered soil or sludge, so piled again, cover the soil to a height of about 1.6 meters, use mud to seal the heap. Second, the stacking materials should be dry and wet, and dry materials should be softened with bubbling. When heaping, add 2-3 times the raw water. Continually pouring some water in the reactor. Third, to add nitrogen fertilizer, 150-250 kg of manure water per 500 kg of material, but also sprinkled 1.5-2.5 kg of urea or ammonium sulfate. Add 10-15 kilograms of lime to conditions to facilitate the fermentation of the stockpiles. Fourth, in the middle of the heap, put waste bamboo stalks or tree twigs from top to bottom, and bundle 5 to 5 bundles to set ventilation holes. In the end, it is necessary to turn the piles in an appropriate manner, and turn the piles in a timely manner after the high temperature of fermentation, generally 1-2 times. Turn the unbleached material into the middle of the heap and make up a small amount of manure. Loosening at the beginning of the heap and compacting after turning. After turning, it is still closed with mud to reduce nutrient losses. Clean pastoral Clean pasture can eliminate overwintering pests. The method is to cut off the weeds inside and outside the vegetable fields, and bring the dead branches, fallen leaves, diseased fruits, and waste roots to places away from the vegetable fields and deeply buried in soil or dried and burned. There is also a practical plan for the production of spring. Every vegetable producer, regardless of its size, in order to make rational use of the land and give full play to the effectiveness of the production facilities, it is necessary to scientifically grow vegetables and formulate this year's vegetable cultivation plan according to market demand. After the planting plan is finalized, the planting technology measures will be formulated, and new production materials such as seeds, fertilizers, pesticides, films, and agricultural machinery will be selected. It is also important to arrange labor and economic expenditure rationally so as to obtain greater economic and social benefits. To formulate a vegetable planting plan, we must pay attention to the following aspects: 1 Determine the planting area of ​​vegetables, such as protective ground facilities, labor force, water and fertilizer, according to their respective production conditions and the number of labors and technical difficulty required for planting vegetable varieties or varieties. 2 If new planting methods are adopted or new vegetable varieties or varieties are introduced, attention should be paid to differences in regional climatic conditions and local consumption habits, and gradual development should be based on the success of small-scale planting trials. 3 The development of planting plans should contribute to the market's annual balanced supply. It is imperative to pay attention to the season of blocking seasons, avoid peak seasons, and extend the period of supply. This will not only benefit market supply, but also increase economic efficiency. 4 There are many kinds of vegetables and seasonality, so the mouthwash arrangement is more complicated. When formulating plans, it is necessary to make full use of the effective production season in the region, pay attention to the connection time with the front and back, and pay attention to reasonable dumping to avoid continuous cropping of similar vegetables to reduce the spread of pests and diseases. 5 When formulating planting plans, not only should the appropriate types of vegetables be arranged, but also good varieties suitable for planting in local conditions should be selected.
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6 While formulating the planting plan for each season of the year, it is necessary to correctly summarize the production experience and lessons of the previous year in accordance with the needs of market changes. 