Spraying foliar fertilizers must be seen three times
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A look at the spray concentration of crops: Dicotyledonous crops generally have large leaves and a thin cuticle. The ability to absorb foliar fertilizers is stronger than that of monocotyledonous crops. Therefore, it is recommended that the concentration of dicotyledonous crops is low, and that of monocotyledonous crops is high. In order to receive significant results.
Second, look at the weather set spray time: Spraying foliar fertilizer to choose no wind and rain in the morning or evening, because the longer the leaf surface fertilizer on the wet leaves the better the effect, so that the crop can fully absorb the fertilizer on the leaves .
Three to see Fertilizer spraying frequency: There are many varieties of leaf surface fertilizer, its mobility in the plant are different, there are fast and slow, while others do not move basically. For the poorly mobile elements such as phosphorus, copper, iron, boron, and basic non-moving calcium, it is necessary to appropriately increase the number of sprays and spray on the new leaves in order to receive good results; nitrogen and potassium are highly mobile in plants. The number of spraying can be appropriately reduced. (Xiao Wang)