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Second, moisture management to maintain the disc soil bed soil moisture, after emergence, in principle, no drought, no watering. In dry sowing of dry beds, it is necessary to keep the soil wet before emergence. Wet boring wet bed should pay attention to drainage, dry seedlings. From one leaf to one leaf, the humidity in the membrane is not suitable for whitening. After the second leaf stage, soil and bed soil are kept moist. Remove enough water from the membrane to prevent physiological dehydration causing bruising.
Third, the appropriate fertilization from the leaves to the leaf one heart, spraying a Miao Fei, according to each piece of retort with urea 3 grams, 300 grams of water spray. After spraying, spray the seedlings again to prevent burning seedlings. 4 to 5 days before throwing and throwing planting, apply a "send marriage fat", according to each slice of 3-5 grams of urea, watering 300-500 grams pouring.
?? four, pest control disease 1 pest control is the simplest method is to sprinkle a little carbofuran on the tray, and then cover soil sowing, can effectively control the rice gall midge pests, rice and other horse pests. 2 Prevent disease One leaf and one heart, spray 1000 times enemy liquid, prevent blight. 4 to 5 days before throwing and throwing, throw a “send marrying medicineâ€, generally use tricyclazole and insecticidal double in a ratio of 1:2 to mix and spray 600 times to prevent rice blast and aphids.
Seedling management points
First, the temperature regulation of the seedling temperature within the film control at about 30 °C, if more than 35 °C, should open the two membranes, ventilation and cooling. From one leaf to one leaf, the intra-membrane temperature is controlled at about 25°C. After the two-leaf stage, the intra-membrane temperature was controlled at about 20°C, and the membranes were uncovered on sunny afternoons or on cloudy days. The two-leaf and one-hearted period chose clear weather to remove the film.