1 sowing density should not be too large, so as not to seedling crowded after emergence. Such as eggplant vegetables generally acres of field need to seedbed 2-3 square meters, broadcast 15-25 grams of seeds. At the same time, ground cover was removed in time after about 30% emergence.
2 and time seedlings, planting and colonization. After emergence, Solanaceae should be treated with time seedlings. Usually, the seedlings should be 2-3 times. When the seedlings are “two leaves and one heart,†they should be planted. The density of the transplanted plants is controlled at 120-130 plants per square meter.
3 strengthen ventilation and light, control of temperature and humidity. After exhumation of the seedlings and before planting, after transplanting the seedlings and after planting, the ventilation and transparence should be carried out, the temperature and humidity should be reduced, and the cold exercise should be strengthened to control the overgrowth of the seedlings.
4 Rationalize fertilizer and water management. In the preparation of nutritious soil, attention should be paid to the amount of phosphorus and potash fertilizer and the amount of nitrogen fertilizer should be controlled. Strict control of moisture and topdressing in the seedbed requires topdressing nitrogen fertilizer when dressing is required.
5 Timely sparse seedlings. About 20 days before the planting of eggplant and melon, the over-crowding of the seedlings often occurs. At this time, the seedlings should be properly moved to separate the seedlings and the survival space of the individual plants.
6 drug control apprentice. In addition to the above-mentioned measures, once the seedlings are grown, they can be sprayed with a 0.2%% Bordeaux mixture or sprayed with 50% of Chlormequat 2000-2500 times.
Black farm
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