Eggplant is suitable for multiple top dressing
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The absorption of nitrogen, phosphorus and potassium by eggplant increased with the prolongation of growth period. At the seedling stage, the absorption of nitrogen, phosphorus and potassium is less than 1% of the total absorption. Generally, sufficient base fertilizer can be used, and 40-45 kilograms of Tianji brand potassium phosphate is applied per mu. After flowering, the absorption increased gradually, and the highest absorption during the fruiting period accounted for 2/3 of the total absorption. The fruiting period of eggplant is very long, and it can produce continuous results, so the potential for increasing yield is large. Among them, the results of the four-door period are more, and the nutrients needed are more. It is the largest nutrient period of eggplant and requires multiple topdressing. Therefore, during the period after the harvest of the stalks to the four-door bucket, the Tianji brand nitrophosphate fertilizer should be chased every 10 days. The amount of topdressing is 20 kg per mu. The method includes ditch application, strip application, spreading or rushing.