Fertilization points of jujube trees in different growth stages

The younger stage before the flowering result is mainly to enlarge the canopy and accumulate tree nutrients. During this period, jujube trees have a small amount of growth and require less fertilizer, but are particularly sensitive to fertilizer reactions. On the basis of sufficient organic fertilizer at the bottom, it is necessary to apply sufficient phosphate fertilizer, combined with nitrogen fertilizer and potassium fertilizer, to promote root growth and avoid length.

The initial result period is the transformation period from vegetative growth to reproductive growth. When fertilizing, it should be treated differently according to the specific situation. If the vegetative growth is too strong, the phosphate fertilizer is the main one, combined with the potassium fertilizer and less nitrogen fertilizer; if the vegetative growth does not reach the required fertilization, the phosphate fertilizer is used. Main, with nitrogen fertilizer, potassium fertilizer.

The adult jujube tree in the fruiting period, the purpose of fertilizing is to maintain the high quality and high yield of the fruit and increase its commodity value. Due to the results and the flower bud differentiation in successive years, the proportion of phosphorus, potassium and calcium fertilizer should be increased. Therefore, fertilization should pay attention to the combination of nitrogen, phosphorus and potassium fertilizers, and focus on it. In particular, it is necessary to increase the proportion of potassium fertilizer, and also increase the application of other fertilizers such as calcium fertilizer. Elemental fertilizer, try to extend its fruiting period.

After the fruiting period, the tree gradually ages. It should be applied with nitrogen fertilizer, strengthen nutrition, promote the growth of branches and leaves, and maintain the tree potential to promote renewal and rejuvenation.

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