How to Care for a Walnut Tree?


Looking after the walnut tree isn’t troublesome. We could say that it is not picky about soil and climate. Among the biggest life needs of walnut tree is water. We can collect the maintenance stages of walnut tree in 5 main headings. These; irrigation, fertilization, tillage, pruning and coping with diseases.

Irrigation in Walnut Tree

Walnut trees need a lot of water, since it is a form of tree with pile roots and large branches – leaves. We can say that it must be watered around the location covered by the tree. It needs around 1000 or 1500 liters of water (total amount with precipitation) per square meter it covers on the soil surface. During the entire year, this amount may be met with precipitation in our country. Nevertheless, in the seasons once the walnut tree needs watering the absolute most, it could be seen that the quantity of rainfall inside our country might be insufficient. In cases like this, irrigation should be performed extra. If the planting pits of walnut trees with high permeability in the soil will also be deep, this irrigation should be performed regularly for at the very least 4-5 years. The level of planting pit of the walnut tree greatly affects the growing process. Irrigation, especially in the summertime, affects the entire health quality of the walnut tree. In the spring; It is essential to meet up the water need properly with regards to tree development and fruit growth. The walnut tree, that will be dehydrated in spring and summer, slows down the development and thus the forming of its fruits is negatively affected. By autumn, it is required to have a slow break from watering the walnut tree. Watering can cause harm to the tree, especially if early frosts will likely occur. Walnut tree can dry out. The final irrigation just before harvest should be repeated at the end of the harvest if there is little rainfall. It is also harmful if much watering is performed after harvest. The tree can fall asleep.

Walnut tree loves water but; Lands with high ground water aren’t ideal for this tree.

When Walnut Tree Needs Water

In spring and summer, since the development amount of the tree
While fertilizing
When the fruit of the walnut reaches how big the marble
As the inside of the fruit ripens
2 weeks before harvest time
At the conclusion of pruning

If there are late frosts in your community, watering before the walnut tree is awakened will wake the tree late. This benefits.

Irrigation Methods

Within the next year after planting, the type of irrigation called release irrigation should be avoided. Keel irrigation can destroy the soil content (minerals and fertilizers) that the tree needs. Another disadvantage of keel irrigation is that it could cause rot because it accumulates a lot of water in the basis bottoms.

We recommend to use drip irrigation method in walnut tree both in sapling and maturity period. The working principle of the drip irrigation method is that the tree transmits to the plant roots accompanied by pressurized pipes and drippers using less amount of water previously without having to be damaged by moisture. Thus, irrigation water is found in the absolute most beneficial way. The location that the water reaches is in the shade and thus evaporation is prevented. This saves water. The roots of the tree are saturated with moisture, which positively affects the grade of the fruit. Since the plant isn’t watered involving the rows, it is not possible for other herbs to develop. Since the parts above the soil aren’t watered, there is no disease. Because of the drip irrigation method, fertilizers may also be utilized in the most effective way. And besides every one of these, in the drip irrigation system, it is simpler to use which amount you want to irrigate the tree and its arrangement.

Fertilization in Walnut Tree

While growing walnut tree, it’s required to be mindful about fertilization. Plants get the foodstuff they need largely from the soil thanks for their roots. If there are no nutrients required for the plant to grow healthy in the soil, it ought to be added later. Because of this, soil analysis and leaf analysis of the land should be done. When buying soil for analysis, it is acceptable to decide on samples from different layers of soil. The type of fertilizer ideal for the soil and how much it will undoubtedly be used is determined in laboratories by chemical means and a report is issued. Accordingly, it could be ensured that the elements such as nitrogen, zinc, iron, potassium, phosphorus, manganese, and copper required by the tree are in sufficient amount in the fertilizer content. If animal manure is going to be used, the option of long-standing / burnt ovine manure will be correct. Cattle manure can be preferred with a situations. However, when looking at benefit-loss balance, the damage of bovine manure can be more.

At the time of leaf fall, by laying the manure beneath the trees; When spring comes, it will undoubtedly be correct to mix it with soil by hoeing. If the land is not sufficiently fed in the land, after a few years production will decrease and stop. The most crucial way to have fruit from walnut tree efficiently is to produce fertilization correctly.


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