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Spring Potatoes + Summer Watermelon Wraps + Autumn Green Onions
In Linghe Town, Anqiu City, Shandong Province, local vegetable farmers have been planting potatoes, watermelons, and green onions. In the past few years, the local vegetable farmers have planted a seed on the mouth of the summer watermelon, forming a pattern of three types of four harvests in a year, with outstanding benefits. Their mouths are arranged in this way: Spring potatoes: planted in early February and harvested by the end of April and beginning of May. The average mu production is about 4500 pounds. Management points: Pay attention to the use of organic fertilizers in site preparation. Generally, 7-9 square meters of chicken manure are used in Mushi. After arranging the land, the potatoes are planted with a spacing of 20cm and a row spacing of 60-65cm. After 90 days or so, they can be harvested. When the soil is cultivated, it should be carried out in the tuber formation stage and the expansion stage, diligently cultivating, sub-cultivation, promote root growth and stolon formation, increase the number of potatoes, and ensure that plants grow robustly. When potato buds are formed, flower buds should be removed timely in order to reduce nutrient consumption and facilitate nutrient accumulation. If the potato is deferred later in the period, the potassium dihydrogen phosphate solution can be sprayed on the foliar, and the fertilizer application liquid per acre is 40-50 kg. Summer watermelon sets of dumplings: In the first half of May, the potatoes were harvested and then planted with a slice of watermelon. By August, the garden will be pulled out. One mu of land can be harvested for 6000-7000 pounds. Gardenia interplanted in the rows of watermelons, between the two melons, the distance between the plants should be kept 70-80cm, 3000 kg per mu. Management points: After watermelon is planted, the temperature and water and fertilizer management are the main lines. During the day, the temperature should be controlled at 25-35°C, and at night it should be controlled at 15-18°C. After the planting, the fertilizer and water management can adopt the method of “pre-control and promoteâ€. Usually, the water is poured into the water after the planting, and water is not needed before the squashing. The soil in the shed can be poured into the water under the membrane and enter the knot. After the melon period, the topdressing can be carried out for the first time. The topdressing can be flushed with water. It is advisable to flush 15–20 kilograms of compound fertilizer per mu. After that, it can be used once every other time. The stalks of the scorpion grow up to 40cm in length. When the main vine was about 1.2 meters high, it plucked its collaterals and left four lateral vines on the upper part of the vine. When the side vines had 5-6 leaves, they picked up their hearts to promote the development of Sun vines and the use of Sun Manggua. Autumn green onions: planted green onions at the end of August, harvested in January, per mu more than 10,000 pounds. Management points: When scallions are planted, planting is carried out at a spacing of 3 cm and a spacing of 70 cm. After the planting, the arch cover film is covered about 10 days before the beginning of winter to avoid freezing the onion. In addition, soil cultivation is an important measure to soften leaf sheaths, prevent lodging, and increase light blue yield and quality. From the beginning of the autumn to the harvest, the soil is usually cultivated three times. The former two times combined with the cultivator, the ridging of the ridge into the onion ditch, and filling the ditch. The height of each cultivating earth of welsh onion should be determined according to the height of pseudostem growth. Each time 3-4 cm, the soil should be cultured to the leaf outlet of the uppermost leaf blade, and the heart leaf must not be buried to prevent the leaf rot. Reporter analysis: From the analysis of economic benefits, under normal circumstances, the potato mu income of 4,000 yuan, watermelon mu income of 4,500 yuan, muzi mu income of 3,500 yuan, scallion can be income of 7,000 yuan, annual total income of 19,000 yuan, higher efficiency. From the perspective of planting, four-year-old crops in four crops can avoid the serious diseases of the roots of vegetables, soil nutrient consumption, soil salt damage, and so on, and ensure the sustainable development of vegetables. It is worth advocating.