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What you need to know about fertilizing lemon trees

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Lemons, with small, oblong leaves and finely serrated leaf margins, are one of the favorite fruits of many young friends. The following questions must be known about fertilizing lemon trees.

From February to March, when the spring shoots sprouted, the first fertilization was carried out, and some quick-acting nitrogen fertilizers were supplemented according to the strength of the tree. Trees with weak wood and many flowers should be applied more appropriately; trees with strong wood and few flowers should be applied less or not. The amount of nitrogen fertilizer accounts for 10 to 15% of the total annual amount, which promotes the robust growth of spring shoots and spring flowers.

In the second fertilization, after flowering and before fruit enlargement, combined with fruit preservation and insect control, 0.3% urea solution was sprayed several times to replenish the loss of tree nutrients after flowering and increase the fruit yield.

The third fertilization is from July to August, which is the period of autumn shoot extraction and fruit expansion. This time, the amount of fertilization is large. Nitrogen fertilizer accounts for 40% of the annual amount, and phosphorus and potassium fertilizers account for 50% each. Two fertilization pits are opened at the drip line of each plant, with a depth of 30-40 cm to ensure that the mother branches of autumn shoots are healthy. Spring flowers are well differentiated.

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