Fruit tree fertilization
2020-02-23 13:08:45
The growth cycle of fruit trees undergoes metabolic processes such as growth, initial results, fruit growth, senescence and renewal. The physiological characteristics of different stages are different, and the demand for nutrition is also different. Therefore, the fertilization process should be timely.
In the young age, the fruit trees mainly develop the canopy and enlarge the root system. Because the growth amount is not large, the amount of fertilizer is not much, but it is sensitive to fertilizer. Once malnourished, it will be difficult to make up even if it is doubled in the future. At this stage, the application of phosphate fertilizer, proper application of nitrogen fertilizer and potassium fertilizer is one of the key measures for early fruiting and early yielding of fruit trees.
If there is no result or enters the initial results period, as the roots and crowns of the fruit trees continue to expand, it is necessary to maintain a relatively strong growth, nitrogen fertilizer should account for a large proportion, and in order to promote flower bud differentiation, phosphorus and potassium fertilizers should be added on the basis of nitrogen fertilizer application.
As a result, adult trees in the peak period should increase the proportion of phosphorus, potassium and calcium fertilizers due to the results and the differentiation of flower buds in successive years. Therefore, fertilization should pay attention to the combination of nitrogen, phosphorus, potassium and calcium fertilizers, especially the proportion of potassium fertilizer.
After the fruiting period, the tree gradually ages, and more nitrogen fertilizer should be applied. The proportion of nitrogen fertilizer application should be the same as that of the young tree to promote renewal and rejuvenation, and maintain the fruit.
In the young age, the fruit trees mainly develop the canopy and enlarge the root system. Because the growth amount is not large, the amount of fertilizer is not much, but it is sensitive to fertilizer. Once malnourished, it will be difficult to make up even if it is doubled in the future. At this stage, the application of phosphate fertilizer, proper application of nitrogen fertilizer and potassium fertilizer is one of the key measures for early fruiting and early yielding of fruit trees.
If there is no result or enters the initial results period, as the roots and crowns of the fruit trees continue to expand, it is necessary to maintain a relatively strong growth, nitrogen fertilizer should account for a large proportion, and in order to promote flower bud differentiation, phosphorus and potassium fertilizers should be added on the basis of nitrogen fertilizer application.
As a result, adult trees in the peak period should increase the proportion of phosphorus, potassium and calcium fertilizers due to the results and the differentiation of flower buds in successive years. Therefore, fertilization should pay attention to the combination of nitrogen, phosphorus, potassium and calcium fertilizers, especially the proportion of potassium fertilizer.
After the fruiting period, the tree gradually ages, and more nitrogen fertilizer should be applied. The proportion of nitrogen fertilizer application should be the same as that of the young tree to promote renewal and rejuvenation, and maintain the fruit.
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