Fertilization technology of avocado
Generally speaking, avocado needs to apply nitrogen fertilizer more than four times a year, usually by spraying or by irrigation system. When the adult avocado tree is in the young fruit stage, five organic fertilizers should be applied to each plant, with the amount of about 50kg, and the amount of compound fertilizer is about 50g. After picking the fruit, the fertilizer should be applied twice p>
If the leaves show the symptoms of lack of phosphorus and potassium fertilizer, phosphorus and potassium fertilizer should be supplemented in time. Zinc fertilizer can be applied on some soils or foliar spraying can be adopted. Foliar fertilizer is the most effective when new leaves grow in spring. If the plant grows in calcareous soil or soil with low oxygen content, chelated iron solution can be applied to the root p>
Some soils and irrigation water sources contain nitrogen. In this case, the use of nitrogen fertilizer should be reduced; If there are few new leaves growing on the tree, the leaves are gray white and bear more fruits, the application rate of nitrogen fertilizer should be increased< span>