Peppers grown in winter are prone to rot, cracked peppers, and poor coloring, mainly due to the lack of calcium in the plants. Because the winter temperature is low, the temperature difference between day and night is large, and the dry climate affects the absorption of calcium by the pepper root system and the calcium transport in the pepper plant, which can easily lead to calcium deficiency. Therefore, the peppers grown in winter should pay attention to calcium fertilizer during flowering To ensure the supply of calcium.
Specific supplement method: During the flowering and pepper seasoning of pepper, the roots must be sprayed with 200-300 times the aqueous solution of ammonium calcium nitrate or 600-800 times the aqueous solution of Xingpeng calcium and magnesium No. 1 every 15-20 days. Apply 1.5 to 2 kilograms per plant each time, and evenly apply it to the soil around the roots of pepper plants. It is advisable that the fertilizer solution completely penetrates into the soil and does not flow out.
At the same time, every 7 to 10 days, the foliage is sprayed with 800 times chelated calcium aqueous solution or 1000 times activated calcium water-soluble solution, or 800 times fluid calcium aqueous solution, or 1000 times calcium sugar alcohol solution, 800 times polymerized calcium solution, or 600 times amino acid. Calcium aqueous solution, or 500 times calcium nitrate aqueous solution, etc., continuous spraying 3 to 5 times. Spray all the leaves, flower buds and peppers evenly, and it is advisable to start dripping. In this way, supplementing calcium fertilizer from the leaf surface has obvious effects on promoting the expansion, maturity, coloration, cracking prevention and prevention of umbilical rot of pepper and fruit, and can also improve the storability.
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