Q: My home-grown kale base fertilizer is 500 kilograms of commodity organic fertilizer, and 50 kg of compound fertilizer with 17% of N, P, and K contents. Why is it still slow to develop?
Answer: Any crop that absorbs nutrients has a certain limit. If it exceeds the limit, it will increase the concentration of soil solution, causing the water in cabbage root cells to overflow and reverse osmosis. Dehydration of cabbage cells inhibits growth and development. The excessive use of commercial organic fertilizers has caused the growth of cabbage to be restricted by reverse osmosis. There are three suggested countermeasures. One is to dilute the concentration of the soil solution; the other is to apply 0.01% Paulownia (or endogenous fat) or Tianfengsu solution 2 or 3 times to coordinate the nutrient balance distribution in the cabbage; third is to pay attention to the timely application of organic fertilizer. .
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