After emergence, wheat is affected by natural conditions and cultivation measures, and often forms different types of weak seedlings, which should be managed by seedling symptomatology. After many years of exploration and practice, Kunshan Seed Management Station and Zhongtian Agricultural Development (Kunshan) Co., Ltd. have successfully promoted a three-year, high-efficiency planting model of Muskmelon, Watermelon and Hami melon. The average yield of Muskmelon is 3,000 kilograms per piece. The price of kilograms is 4 yuan, and the output value is 12,000 yuan; the average yield of watermelon is 2,000 kilograms, and the output value is 3,200 yuan; the average yield of cantaloupe is 2,000 kilograms per kilogram, and the output value is 8,000 yuan, and the total output value is 20,000 yuan or more. , The economic efficiency is higher. Variety Selection South Jiangsu Province can only plant 2 melons and fruits in the whole year, and 3 melons must be cultivated. In winter and spring, early-maturing varieties with low temperature and disease resistance were selected; varieties with high temperature resistance and rain-resistance were selected in summer; and high-product species with high humidity resistance and disease resistance were selected in autumn. After demonstration, the general melons use Yugu, Sangu, Yuxue, Yincui and Changxiangyu. Watermelon selections are Xiu Ling, Cui Ling, Hei Bao, Rui Guang, and Rui Feng. Hami melons use orange honey, fragrant jade, green sweet, disease-resistant 3800, emerald honey and so on. Cultivate strong seedlings (1) sowing date. The suitable sowing date for the muskmelon is from December to January, the watermelon is from the end of April to the middle of May, and the Hami melon is from the late July to the early August. (2) nursery. A 50- or 72-well plug tray was used to raise seedlings. The nursery substrate was a special nursery substrate (Zengmiao-2) produced by the company. Before sowing, the seeds are dried, then soaked in water at 55°C for 15 minutes, then soaked in normal temperature water for 4-6 hours, washed and germinated. Usually 3-5 days can be emerged, the seedlings of the appropriate temperature and moisture control, until the seedlings have 2-3 true leaves, root growth when adequately transplanted. The winter and spring seedling age is 20-25 days, and it is 10-12 days in summer and autumn. Do the planting planting from October to early November, choose a plot that has not grown melons within 3 years, deepen the soil, apply 2000-2500 kg of organic fertilizer per acre, 50-70 kg of high-efficiency compound fertilizer, and superphosphate 25- 35 kg. After the fertilization, the lotus root was grown to have a width of 3.2 meters, a width of 0.3 meters, and a greenhouse of 7 meters in width to make 2 crops and 600 plants per acre. Field Management (1) Muskmelon. December to the following January colonization. After the planting is in the low temperature period, four-film covering insulation technology must be adopted, ie, a layer of sheds should be placed in the greenhouse, and two sheds should be added in the planting trenches. When the melon seedlings have 3-4 leaves, they are picked up and cultivated with double vines and pruning. The two side vines at the base are selected to grow and destroy the other side vines. After the temperature rose in February, the growth rate of melon seedlings accelerated. Strict pruning and timely fertilization were required, and 20-30 kg of compound fertilizer was applied per acre. In March, choose 10-11 vines on both sides to keep 1 melon, and wait for a full melon after 20-30 kilograms per acre. The first batch of melons was harvested from mid-April to early May, and the second batch of melons was harvested from late May to early June. (2) watermelon. In the middle of May, it was planted in the middle of the melon, and the old leaves and diseased leaves of the cucumis were removed in time; the branches were spread from late May to early June, 4-5 leaves were topped, and the double vines were pruned and cultivated in time. Watering and fertilizing promote leaf growth. After 23-25 ​​days, the melons matured and the second batch of watermelons was harvested in mid-August. (3) Cantaloupe. In early August, the melons were planted in the middle of the left side of the watermelon, and the old leaves and diseased leaves of the watermelon were removed in a timely manner. The ventilation and light transmission were enhanced, and the pruning was performed in time. After 3-4 leaves, the heart was picked and two lateral vines were taken. In order to improve the commercial quality of the fruit, a double vine is generally required. Each vine has 1 melon, and the nodes are 12-15 knots. The vines are plucked at about 20 knots to improve the fruit's full expansion. Harvested in early November.
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