Eggplant sometimes appears cracking during the process of enlargement. The main reasons are:
1. The plant lacks calcium to cause cracking. Soil calcium deficiency, heavy rain leaching, excessive nitrogen fertilizer, excessive air humidity, etc., will affect the absorption of plant calcium, resulting in calcium deficiency cracking.
2. Inhomogeneous watering causes cracking. During the early period of fruit development, the soil was arid, resulting in lignification of the fruit skin and heavy rain or watering in the later period. The fruit inside quickly expanded and the peel did not grow and split. In addition, pest damage can also cause cracking.
Control measures: 1. Increase calcium fertilizer. Calcium fertilizers with high calcium content, such as ammonium, calcium, magnesium, etc., are used in the soil.
2. Properly water. Timely watering, but can not be poured too much, and spray 600 times the new high-fat film to reduce evaporation of water to ensure moisture. The rain will be drained in time to prevent flooding.
3. Strengthen management. In addition to pest prevention and control, roots can be applied with micro-irrigation roots to promote root growth and increase absorption capacity.
4. Root fertilization. When the humidity of the air in the rainy season is relatively high, spray the calcium-containing foliar fertilizer and the new high-fat film mixed diluent once every 7 days.
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