Different stages of pumpkin growth have different nutrient uptake. In the seedling stage, the growth of the pumpkin is very small, and the amount of fertilizer required is also less. The absorption of nitrogen is increased sharply during the period of fruit enlargement, and the absorption of potassium and nitrogen is basically the same. Phosphorus absorption increased less. After transplanting, fill the roots with water. The urea water used after easing the seedlings was accompanied with a new high-fat film to induce seedling growth 1-2 times.
Fertilizer and water management: Top dressing is usually divided into three times. The first time the crop is topped off or enclosed, combined with cultivating and weeding, organic manure is required. The second time during the fruit expansion period, nitrogen fertilizer is applied. Second, the three fruits of the fruit expansion period when the application of organic fertilizer and chemical fertilizers. More water is required during the fruit expansion period, and irrigation should be carried out in a timely manner, and the melons and melons must be sprayed during the young period to increase the nutrient flow and promote fruit development and enlargement. The occurrence of autumn plant virus disease is related to the growth of fertilizer and water supply in the early stage of growth. The multi-sprinkling of water and fertilizer promotes the rapid growth of plants, avoids lack of water and fertilizer, and can effectively reduce the occurrence of viral diseases. There are more rainwater in spring and drainage work should be done to reduce the humidity in the field. There is less rain in the middle and late autumn, and it is necessary to do a good job of furrow irrigation.
Pruning vines: When the pumpkin vines reach 60 centimeters or so when the first pressure vine, can be ditch in the vine next to about 7 cm deep shallow ditch, put the vines into the ditch and then use the soil pressure, the top of the growth to expose 12 - 15 centimeters, once after every 30-50 centimeters, usually 3 to 4 times. The pruning mainly removes part of sideways vines, overlapping vines, and delicate vines of the pumpkins, and sprays the top of the flowers to promote the growth of melons and promotes the prolonged growth of melons, forcing the main nutrient of the pumpkins to turn to the young fruit development system to increase the vitality of the fruit enlargement and avoid leaf hypertrophy. Phenomenon to improve field permeability.
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