First, the convulsions period management system of farming in the end of March and early April watering, combined with water per acre topdressing ternary compound fertilizer 40 to 50 kg. It is suitable to cover the back and prevent lodging. When covering the back, the soil should not be too wet to prevent it from causing rotten stems. Field see dry see wet.

Second, flowering and seeding management This period requires more water, should keep the soil moist. The weakly growing plots of the plants are combined with watering 15 to 20 kg of urea per acre. At the same time, the auxiliary pollination work is well done. The artificially tow cotton cloth gently walks around the top of the flower ball to help pollinate, and the contiguous field system can purchase bees to assist in pollination, which lays a foundation for high yield and high efficiency.

Third, the pest control system is very prone to downy mildew, purple spot, production in order to prevent the main twitch, every 10 to 15 days after spraying alternately 600 times 50% chlorothalonil and 70% mancozeb. In case of aphid and chafer harm, 1000 times imidacloprid spraying is used for prevention and cure.

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