Autumn Schiff base tree roots, good?

The autumn fertilization in orchards is a necessary measure to improve the soil, increase the nutrient content of the tree, and maintain good flower buds. It should be carried out as early as possible after the beginning of autumn and before the fall of leaves. However, many people, especially those who grow late-maturing varieties, are worried that fertilizing will damage the root system. Therefore, it is very difficult to wait until after fruit-picking.

Fertilization in autumn is bound to cause damage to the root system. Does this damage affect the tree body and fruit? What are the advantages or disadvantages? It is necessary to seriously discuss.

First of all, it is said that cutting roots has no effect on fruit trees and fruits. In the fruit tree, it is generally accepted that as long as part of the root system can absorb nutrients, the demand of the tree can be satisfied. The number of root cuts in autumn basal fertilization is limited, and it is impossible to damage all the root systems. Therefore, it is possible to determine that some roots will be cut off without adversely affecting fruit trees and fruits. In addition, in recent years, many fruit orchards that are highly profitable have been implemented between rows. Trench fertilization, mostly carried out in September, has proved that it does not affect the development of fruit trees and fruit quality.

Again, the root loss is more or less good. It can be said with certainty that there is no harm in the fall of the base fertilizer.

On the one hand, autumn is the peak period of root development and it is easy to heal roots. On the other hand, cutting off the roots is equivalent to trimming the root system. The pruning response is the same as the short cut on the tree. A large number of new roots grow under the wound. The original old root becomes more than a dozen new roots. The number of root factors has increased, and the roots have “returned to old age”. The ability to absorb nutrients will naturally increase in the coming year.

The roots of fruit trees are hierarchical. The old roots have evolved as the roots of the transmission, and the roots of the transmission have been mainly to transport nutrients. The root that grows after the root break is called the root of growth, and the root is the root that absorbs the root. In other words, the absorption roots of the next year grow mainly on the roots of growth. The absorption root life is very short, generally not more than one month. Only the roots of growth can grow continuously and absorb roots, so that there will be a large number of dead roots and no nutrient on the tree. The phased deficiency of many fruit trees in production is closely related to the lack of absorption of the roots.

According to authoritative sources such as academicians of the Chinese Academy of Sciences and renowned experts on fruit trees, Shu Huairui, tree senescence generally begins with the root system. Pruning and renewal of the root system is of equal importance as the pruning of shoots on the ground. In actual production, the main basal fertilizer is dug, or the ditches are digging, exposing a large number of roots. At this time, the idea of ​​minimizing the root damage in the past should be changed, and it should be purposely pruned. Roots with severe baldness can be sparsely rooted or short and moderately thick roots, stimulating rooting at the base of the wound. If there are few root branches, appropriate branches should be promoted. Especially in clay ground, the uniaxial extension ability of the root is strong, and the short cut effect is the best.

From this point of view, there are many benefits of cutting off roots from fertilizing fruit trees in the fall, and there is no need to worry about root damage.

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