There are many factors that affect the yield and quality of persimmons. In addition to paying attention to the necessary management of persimmon trees, fruit trees, and pest control, the most critical point is to apply scientific fertilization to persimmon trees.
Persimmon trees and other fruit trees have common features. The scientific use of fertilizers guarantees the rate of fruit-bearing and the size and quality of fruit. "To fertilize persimmons, special attention should be paid to fertilization time, fertilization methods, and fertilizer varieties." He Shuming explained that until the autumn fruit is harvested or 3 to 5 days before picking, the persimmon tree should be given a full base fertilizer (also called fruit fertilizer). Organic fertilizer is the main choice, and it is best to use farmyard fertilizer or compound fertilizer containing calcium, magnesium, and phosphorus. Basal fertilizers are particularly important, supplementing the fruit trees with nutrition, restoring growth, and providing nutrition for the results of the coming year. Top dressing can be applied 2 to 3 times: the first topdressing (also known as spring fertilizer or flower before the fertilizer) in the first half of March in the first half of the month, and half a month before the persimmon blossom. The combination of nitrogen fertilizer and phosphorus and potassium is mainly used to meet the physiological fruit-setting requirement of persimmon trees, and it is the function of stimulating leaf buds and long shoots and increasing the rate of fruit-bearing. The second time after the persimmon flower is over, the fruit must be topdressed again (also known as stable fruit fertilizer). It is advisable to apply the compound fertilizer with higher potassium content, which is mainly to protect the fruit and avoid it. The fruit is much more knotted and loses light. According to the specific situation of fruit growing, it is also possible to spray foliar fertilizer (also known as strong fruit fertilizer) at the discretion of the third time. Potassium dihydrogen phosphate, calcium superphosphate, or wood ash can all be used as a dip. The leaf fertilizer can increase the persimmon fruit head, Quality and taste.
Basal fertilizer must be applied in order to have a strong tree, strong root system, and sufficient stamina. The top dressing should be suitable and the amount of fertilizer should be too large, affecting the quality and taste of the fruit. Persimmon is a deep-rooted tree species, and persimmon clusters are distributed outside the crown in the cluster of absorption roots. When fertilizing from the roots, take the trunk as the center, open several shallow and deep radial fertilization ditch, and put the fertilizer on the canopy dripping line to ensure that the fibrous root can be effectively absorbed.
“The principle of fertilizing fruit trees and fertilizing techniques were studied as early as the 19th century by German chemist Liebig. He discussed the amount of fertilizer, fertilization period, fertilization method and fertilizer varieties. In recent years, China is also promoting precision fertilization and Balanced fertilization techniques, however, most of the fertilization in rural areas is still in a blind state, and partial fertilization and irrational fertilization are serious."
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