How to carry out extra-fertilization of apple cultivation
How to carry out root fertilization in apple planting? Recently, root fertilization has been gradually accepted by the majority of planting friends. For apple planting, the use of good root fertilization can effectively improve the quality of fruit trees. Common external fertilization is foliar application. The specific method is to spray the fertilizer into the canopy. The nutrients enter the tissue through the pores and stratum corneum of leaves and branches, which is the main way of top dressing.
Compared with traditional fertilization methods, foliar application of foliar spray fertilizer can increase the utilization rate of apples more quickly and effectively, and greatly reduce the amount of fertilizer used. For urea and phosphate fertilizers, the absorption rate can reach 50% and 20% in 8 hours, and 88% and 50% in 6 days, while the phosphorus absorption rate in soil is only 6%-9%. Foliar application is not limited by soil conditions, and the method is also simple and easy to use and widely used by apple farmers.
Apple planting foliar fertilizer requires attention to the use of trace elements. In production, it mainly supplements trace elements and some large elements such as calcium, zinc, boron, iron, nitrogen, phosphorus and potassium. Spray fertilizer should be sprayed on the back of the leaf as much as possible, and the requirements should be uniform. Spray fertilizer can be sprayed separately or in combination with spraying. At the same time, it should be noted that what should be paid attention to when apple spraying foliar fertilizer .
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