Guangdong Xuwen County is located in the south of Leizhou Peninsula. It is a tropical marine monsoon climate and it is one of the county's sugar cane base counties. In recent years, with the adjustment of the industrial structure in rural areas, many places in the county have used peanuts, melons, and other crops to increase the multiple cropping index and increase economic income, and have achieved good results.
First, the advantages of spring peanuts and sugar cane.
1. Raise the multiple crop index. Peanuts are clustered crops. Dwarfing seedlings and sugarcane are high-stem crops. They are erect and have a long growing period. They are planted using the time difference between the two planting periods and the space for seedling growth. Planting peanuts and planting sugar cane will increase the economic income of making peanuts.
2. Easy to operate. Peanuts interplant sugar cane, but it is easy to plow a trench between peanut rows to plant sugar cane, and it is easy to operate and can stagger the spring and busy season.
3. Add sugar cane organic fertilizer. After the peanuts are harvested, the bean vines and the remaining bean roots and litter are buried in the cane head, which can increase the organic fertilizer of sugar cane and increase the yield of sugar cane.
Second, the kind of technology.
1. Fine site preparation. Peanut fruit into the soil, pods enlargement, root growth, Rhizobium breeding and nitrogen fixation activities need to have a loose, deep, fat soil environment. Sugar cane also needs such a soil environment. Therefore, it is necessary to fine-tune the soil and improve soil fertility in order to obtain high yields. Cultivated land is generally used by tractors to plow two ploughs and two rakes, which are deep and loose and do not disrupt the soil depth to 35 cm. If you don't have machine farming, you can use the cattle plow to reach the standard of deep, loose, flat and broken soil.
2. Planting schedule. Spring Peanut Planting Period: The local spring peanut planting time in Xuwen County is before or after the "big cold" or in late January, and the species is planted in warm weather (temperature above 16°C). During this period, peanuts can be planted under mild and sunny Qingming Festival before and after the Ching Ming Festival to avoid the hot and dry westerly winds in May, which will facilitate the pinning of peanuts and the expansion of pods. Sugarcane planting period: grasping the time for planting sugarcane is the key to obtaining the double harvest of peanut sugar cane. According to experience, peanuts are most suitable for planting sugar cane after 32 to 40 days, that is, from late February to early March. If sugarcane is planted too early, sugarcane will compete with peanuts for space, compete for sunlight, compete for land, compete for fertilizers, and affect the use of peanuts for photosynthesis and its production. If the planting of sugar cane is too late, the peanut seedlings grow long and cover the cane seedlings, causing the cane seedlings to be sheltered and lacking in sunlight, and the lack of seedlings and dry seedlings will occur, affecting the yield of sugar cane.
3. Select suitable sugarcane varieties. It is best to use high-yield narrow-leaf sugarcane varieties with slower growth in the early stage, faster growth in the later period, and more tillers.
4. Properly densely plant and apply enough basal fertilizer. Peanuts are 35 centimeters apart, 45 centimeters apart, and 9,000 to 9,500 holes per acre, 2 seeds per hole; 2500 kilograms of high-quality soil-fertilizer per acre, 30 to 40 kilograms of standard nitrogen fertilizer, and 40 to 40 grams of superphosphate 60 kg, potassium sulfate 10 ~ 15 kg or plant ash 100 ~ 150 kg. Sugar cane spacing 75 to 100 cm, 3000 pairs of sprouts per mu of cane seedlings. Sugar cane basal fertilizer is mainly organic fertilizer, supplemented by inorganic fertilizer, ie 2500 kg of high-quality soil heterogenous fertilizer, 100 kg of superphosphate, 25 kg of urea, 50 kg of compound fertilizer, 3 kg of carbofuran, mixed in the sugarcane ditch for sugarcane base fertilizer .
5. Strengthen field management. After the spring peanuts are harvested, the sugar cane is applied again to attack the fast-acting fertilizer, 25 to 40 kg of urea per mu is applied, and the furrows are lopped and weeded. The bean vines and residual bean roots and litter are buried in the cane head. When the soil moisture is insufficient, it should be filled with water to promote the delivery of sugarcane, attack the number of seedlings, and produce early growth.
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