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"Zhonghua" Brand Compound Fertilizer (45%) Fertilization Recommendation (K2SO4 Type)
Fertilizer characteristics:
This compound fertilizer contains a minimum of 45% total nutrients, with a balanced ratio of N15-P2O515-K2O15. It is designed to support optimal nutrient balance and soil fertility, making it highly effective for plant growth. The product is water-soluble, which ensures quick nutrient availability, and it is chlorine-free, making it safe for sensitive crops. Its application can typically lead to a yield increase of 20% to 30%, depending on the crop and growing conditions.
Fertilization recommendations (in kg per mu):
For base fertilizer (compound fertilizer), the recommended amounts vary by crop. For example, tobacco requires 30–35 kg, while cotton needs 30–35 kg around 30 days after planting. For flowering crops like eggplants, apply 28–32 kg, and for watermelons, 40–50 kg before flowering. Tea plants benefit from 60–70 kg during the young fruit stage, and rice should receive 25–30 kg during the panicle differentiation period. For rapeseed, 30–35 kg is ideal, and vegetables require 70–90 kg annually, with 40% applied as base fertilizer and the remaining 60% split into 2–3 applications. After harvest, fruit trees should be given 1–2 kg of compound fertilizer per tree at the early flowering and late growth stages.
When applying fertilizer, ensure it is placed 5–8 cm below the seed or plant to maximize root absorption. For high-yield fields, use the upper end of the recommended range, while low-yield areas should stick to the lower end. If using this fertilizer on legumes, consider increasing the phosphate content for better performance. Always adjust the timing and amount based on local weather, soil conditions, and crop requirements for best results.