1. Cultivation time from white dew to autumnal seeding. Our province sowed around August 20 and emerged in early September. 2. Selection of good species selection Zhangqiu, marine green onions and so on. 3. Choosing scallions and scallions should not avoid smashing and choosing 3-4 years without planting green onions, leeks and garlic. Take wheat, corn, potatoes, and other crops as good forerunner, and sandy loam or loam as well. 4. After the soil preparation has been selected and the cornices have been plucked, it will be carried out in the autumn and fall, and the land will be loose, flat, fine and broken. Combining 3,500-4,500 kilograms of high-quality farmyard manure with adequate Mushi soil preparation, it can be applied to close planting or flat cropping for dense planting, and it can also be used for ridge cultivation. When sowing is generally about 10 cm wide, ditch depth 3-4 cm is appropriate. Acres of 3 to 3.5 kg per mu and 6 to 7 mu in the following year. When the soil is dry after sowing, water can be poured once to ensure full seedlings. After sowing, weeds can be sprayed with 500 grams of acre per acre, add 75 kg of water, and spray on the surface of sorghum or ridge to eliminate weeds. 5. Pouring frozen water prevents frost damage and dead seedlings. Qiu Miao up to 3 true leaves, seedlings about 10 cm high, around the snow before and after pouring frozen water, and combined with fertilization once dilute feces to increase the temperature, and then cover a layer of raw manure to ensure safe winter. Conditional areas can be windproof barriers to facilitate the return of seedlings to young crops.
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Pinolenic Acid
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