Causes of low yield of century-old chestnut trees in Xingtai County and its countermeasures

At present, some century-old chestnut trees are still preserved in many areas of our country. For example, there are many century-old chestnut trees in Xingtai County, Hebei Province, but due to the lack of management, these chestnut trees have become strong and weak, empty canopy, too many single seeds, and the yield is too low. in order to increase the yield and increase the income of fruit farmers, the relevant experts investigated the reasons for the low yield of chestnut trees and put forward countermeasures. Let's take a look!

Causes of low yield of century-old chestnut trees in Xingtai County and its countermeasures

1 causes of low yield

Lack of water is the main reason for the low yield of big chestnut trees. In order to make the trees high-yielding, the key is to give the trees enough water. The second reason for low yield is that the tree is too high, there are too many main branches, the number of branches is too large, and the tree is too weak.

2 measures to increase production and income

The main results are as follows: (1) it is difficult to water Chinese chestnut on dry slope, and digging holes under trees is a wonderful way. Dig a fish scale pit with a large upper mouth and a bottom tip. The water is concentrated and seeps deeply.

The water seepage in the flat bottom pit is shallow, and the effect is worse. Digging holes should be more, dense and deep, so that the effect is good. The distribution of pits, from the bottom of the tree to the top of the tree, is 1-5m.

(2) pruning and rejuvenating the tree.

The main problems existing in the pruning of 100-year-old chestnut trees on dry slopes:

① trees are too tall and difficult to prune

Too many main branches of ② are not easy to sparse.

The main branch of ③ is too long and the bore is empty.

④ has dense branches and many invalid branches and leaves.

(3) four pruning measures

The top of the ① tree should be kept low. The tree height is determined according to the surrounding environment and the strength of the tree. Lower the head of the tree, remove the big branches, leave the inside empty, and promote the branches.

② thinned the main branches. Less main branches, less water consumption, strong trees and high yield.

If the main branch of ③ is too long, it should be retracted. Strong trees retract lightly, weak trees retract; there is room for light retraction, and there is no room for heavy retraction.

④ sparse twigs. The top of the big branch is happy, and the top of each big branch is divided into several fruiting branch groups, and there should be 50cm space between the adjacent branch groups.

(4) press the head of the tree and sparse the big branches, with a maximum of 30% to 40%, and at least 60%.

If there are too many big branches, it is not only easy to reduce production, but also easy to strip.

The big branches are thinned too little to achieve the goal of strong trees, and the yield still cannot go up.

These are the technical points of high-yield management of big chestnut trees. If you have any other experience in managing these century-old trees, you can comment below Huinong net.