Xuzhou Academy of Agricultural Sciences combined many years of experience in comprehensive agricultural development, summed up a set of melon, rice, celery efficient ecological cultivation model. In the early spring, multi-layer covering technology was used to grow sweet melons in greenhouses, and they were listed before the May 1st. After melons were harvested, rice was cultivated. High-temperature and hypoxic conditions were used to kill a large number of pathogens and pests in the soil. After harvesting rice, special odors of celery and celery were grown. Pests have a good repellent effect. This mode of rotation between paddy and dry land has improved the microecological environment of the facilities and has a good effect of preventing and controlling various pests and diseases caused by heavy plague. The amount of pesticides used is reduced and the benefits are considerable. The annual income per mu is about 10,000 yuan. Early spring greenhouses melons in mid-January nursery, multi-layer coverage, May melon harvest market, 2200 kilograms per mu, mu production value of 6500 yuan. Rice seedlings were raised in mid-to-late April. After melons were harvested, they were transplanted in early June and harvested from late September to early October. The yield was about 520 kilograms per mu. The output value of mu was about 1,300 yuan. In late August, the celery seedlings were bred in an idle manner. Planting in early October and harvesting in December yielded about 5,000 kilograms per mu. As the market price fluctuates, the output value per mu is between 1,000 and 3,000 yuan. Melon selection of short-term, early-maturing disease-resistant melon varieties, such as Zhongtian No.1, Qingfa series melon varieties. Germination sowing, nurturing strong seedlings. Before the planting, 3,000 kg of organic fertilizer, 20 kg of urea, 70 kg of superphosphate, and 20 kg of potassium sulfate were used as base fertilizer. Melon root can not be flooded, should be ridge cultivation or Yangshuo cultivation. One week before colonization, the membrane was covered to increase the temperature. The use of the size of "goods" shape of planting, ridge cultivation, ridge height of 15 cm, 80 cm spacing, small spacing 60 cm, spacing 40 cm. Cultivated cultivation using Yangshuo, the seedlings planted in the middle of Yangshuo, spacing 60 cm, spacing 80 cm. The melons are delighted and require transparency of the shed film. The humidity is demanding and the relative humidity in the shed is controlled between 50% and 60%. Rice varieties selected for disease resistance were medium and early maturing rice such as Xudao 4 and Xudao 6 and so on. Soaking with chemicals before sowing prevents many diseases. Apply enough seedlings to cultivate strong maggots. Age control is 35-40 days. Scientific management of fertilizer and pest control. Celery uses varieties that are resistant to cold, strong winters, and convulsions, such as Jinnan cel, crispy glass, and Italian celery. Germination sowing, nurturing strong seedlings. One day before planting, the seedbed was properly irrigated, and the next day, soil was transplanted from the seedlings, and the diseased seedlings and the weak seedlings were eliminated. The seedlings were planted separately. The parsley was planted 10 cm apart and 25 cm apart. The local celery plants are 10 cm apart and 15 cm apart. After planting, water the trees and plant them for 3 days. At the beginning of colonization, cover the net for 10-15 days with a spacer method. For harvesting of loquat leaves, 2-3 leaves per plant can be picked when the plant has 4-5 large leaves, fertilized and watered the next day after picking. Harvested at one time, plant height 40-50 cm.
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