Qing Xin Yi Nong Fertilizer Co., Ltd. General Manager, Agronomist Yang Zhongxing
First, the technical program basis: 1, according to the eggplant in the process of growth and development of nutrients and target yield requirements, combined with soil fertilizer performance, research and application of Yinong Shuangyan brand organic fertilizer fertilizer technology.
2, eggplant is a straight root system, developed root system, strong absorption capacity, high yield, large amount of fertilizer. The root depth is about 50cm, and the horizontal extension range is about 120cm. Most of the root system is distributed in the 30cm layer. According to this, fertilization to reapply deep basal fertilizer, accounting for about 25% of total fertilization.
3. According to research, the production of 1000 kilograms of eggplant requires 2.6-3.0 kg of nitrogen (N), 0.7-1.0 kg of phosphorus (P2O5) and 3.1-5.5 kg of potassium (K2O). N: P2O5: K2O is approximately 1:0.3:1.5 (Liu Yisheng. 1996). Most eggplants are planted in paddy fields with low nutrient content. Based on the fertilization rate, N:P2O5:K2O is approximately 1:0.4:0.8. For 6500 kg/mu, the total amount of fertilizer is N43, P2O518, and K2O36.
4, in order to stabilize the high yield and quality assurance, organic fertilizers should be used, suitable for chemical fertilizers. Qingxin Yinong Fertilizer Co., Ltd. developed Shuangyan brand organic fertilizer (organic matter ≥ 35%, N ≥ 6.4%, P2O5 ≥ 2.01%, K2O ≥ 2.1%) and Yinong potassium-rich organic compound fertilizer for southern soil. N7, P2O56, K2O15). Refined organic fertilizer is supplemented with a large number of beneficial microorganisms. The pH is adjusted to neutral-microalkaline, with appropriate amount of quick-acting nutrients. It is a biological compound fertilizer and is most suitable as a base fertilizer. The potassium-rich organic compound fertilizer has high nutrient content and is suitable for top-dressing. .
5. The eggplant has a long growth period and high yield. It is an important measure to obtain high yield during the fruiting period of the flowering. The amount of topdressing accounts for about 75% of the total amount.
Second, eggplant top dressing program:
1. Base fertilizer: Ditch applied (applied in a layer of about 25cm in the soil) Shuangyan brand refined organic fertilizer 300-400kg/mu, and cultivated on it after being reconstituted 7cm.
2. Hair and tree fat: after planting and rejuvenating the seedlings, Mushi applies about 1500kg of 0.3% urea solution.
3, hurried fruit fertilizer: After the fruit in the hole, the fruit is planted with 15kg of urea.
4, Paul fruit fertilizer: After the fruit is harvested, the fruit is used for the production of potassium-rich organic compound fertilizer 25kg.
After each fruit picking, they will produce 25 kg of potassium-enriched organic compound fertilizer.
5. Top-dressing: According to the growth of crops, 0.3% urea and potassium dihydrogen phosphate solution can be used as top-dressing.
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