January to April (1) Old Madi Management. (2) Xinmadi reclamation: Sisal is a perennial crop with strong adaptability to the soil, but it is better to have a well-drained soil that is loose, rich in calcareous, neutral or slightly alkaline. Site preparation should be conducted during the low-temperature and dry season. Deep plowing favors the growth of sisal. (3) Breeding of sisal: most of them use the method of breaking the head (ie breaking the hemp, digging the numbness), sucking buds, stems and buds. The breeding time can be all year round. From April to June (1) Xinma planting: The average seedling height is more than 50 cm, and 20-25 leaf blades are planted. There are two types of plant spacing, single row planting and double row planting. Double-row plantings produce high yields and can be used for mechanized cultivating; single-row planting is beneficial to mechanization of cutting, but manual weeding is required. The planting period can be all year round, but the rainy season is better. Before planting, underground stems and old roots should be removed and dead leaves should be removed. Miao strains should be planted by size and size. Shallow overburden at 2-3 cm above ground. Large row density is suitable for 300-370 strains. (2) Fertilization: Basal fertilizer should be mixed with manure, green manure, phosphate fertilizer, potash fertilizer, lime, etc. The amount of mu should be 5000-7500 kg. Top dressing depends on the growth of the hemp plant. Usually top dressing 1-2 times a year. Each topdressing organic fertilizer 1000-1500 kilograms per acre, mixed nitrogen phosphorus potassium fertilizer. Before the general opening, the hole is applied, and after the cut, the young horny hemp is used to open the furrow in the big line. (3) Intercropping: In the first 1-2 years after colonization, short-term crops such as soybeans, peanuts, and sesame, which are dwarfed and not climbing, can be used in inter-bay vacant land. Intercropping crops also need to be cropped to regulate land and control pests. (4) Cultivated weeding and hemp fields cover: Sisal worms are easy to breed weeds in the young stage. Combined with cultivators, manual, mechanical and chemical herbicides are required for weeding. Weeding 4-5 times a year, as the seedling age increases, the number of weeding decreases, Ma field coverage can accelerate the growth of the jute, and increase fiber production. June to December (1) Pest Control: The focus is on diseases such as anthracnose, leaf spot, and blight. Specific measures include growing protective forests and cover crops; paying attention to field drainage; cultivating strong seedlings; paying attention to the ratio of N, P and K, increasing potash fertilizer, timely weeding, winter clearing of pathogens, and chemical control. Anthracnose can be sprayed with Bordeaux fluid after heavy rain; Zebra streptorrhiza can be sprayed with Dixon (1:200), coal phenol soap (1:200), ulcer net (1:1100), and sprayed 3-4 times. . The main pests are scale insects, weevils, red spiders and so on. For scale insects can be sprinkled turpentine mixture; weevil can be used in the fresh larvae of adult worms. Red spider can spray 0.3-0.5 degrees Baume degree lime sulfur, spraying once every 5-7 days, and even spray 2-3 times. (2) Harvesting: 2 to 3 years after planting, the number of leaves reached 40-50 pieces, leaf length was more than 1 meter, leaves were at 45 angles with the ground, and the leaf color became lighter, and the white wax powder disappeared was suitable for harvesting. When cutting the leaves, 25-30 leaves should be left and it is required to cut 2-3 cm near the leaf base. Cut off the leaves should be bundled in time, shipped to the factory processing, shall not exceed 2-3 days. China Agricultural Network Editor
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