Qiu Shiji Fertilizer accounts for 60% of the total investment in annual fertilization. Now, the change in the production mode of fruit trees has caused many farmers to change the compound fertilizer to apply water-soluble fertilizer. Although the emergence of water-soluble fertilizer has led to changes in the production mode of fruit trees, the core position of the base fertilizer is still unable to move under the current circumstances. That is to say, no matter how effective the topdressing of the fruit growing season is, the foundation of the autumn-based base fertilizer can not be ignored, and it is still the top priority of fruit tree fertilization.
Now, the time for the autumn Shiji fertilizer has arrived. We should seize the favorable opportunity from mid-August to mid-September, with organic fertilizer, biological bacterial fertilizer and a large amount of elemental compound fertilizer, and timely and sufficient application. We should combine the investment situation of water-soluble fertilizer in the growing season of fruit trees. The investment in water-soluble fertilizer should be kept at 40% of the total fertilizer investment. Then we should make up 60% of the fertilizer used in autumn. If your investment in water-soluble fertilizer is too large, it will exceed 50. %, then, the minimum to take half of the investment to protect the base fertilizer, the focus of organic fertilizer, biological fertilizer mainly, to lay a solid foundation for the sustained high quality and stable production of fruit trees.
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