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Management Methods and Technical Points for Walnut Seedlings After Grafting
From grafting in May and June to the grafted seedlings leaving the nursery in October, there are only a few short months. In order to ensure the robust growth of grafted seedlings and cultivate high-grade nursery stock, management needs to be strengthened. 1. Check survival and fill in grafts. About 1 week after walnut bud grafting, check whether the graft has survived. Fresh and plump grafted buds indicate successful grafting, while blackened grafted buds indicate failure, and timely re-grafting should be carried out.
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Detailed Explanation of Key Technical Points for Planting Walnut Nursery Stock
1. Planting period. The planting of walnut trees can be divided into two types: spring planting and autumn planting. Autumn planting refers to planting after the nursery stock drops its leaves in autumn and before the soil freezes. Spring planting is carried out after the soil thaws and before the nursery stock buds in spring. In the past, walnuts were generally spring-planted, but in
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Detailed Explanation of Key Management Techniques for Walnut Seedlings After Planting
After planting, a thorough watering must be given once, and another thorough watering should be given two weeks later, which can improve the survival rate of planting. Thereafter, if high temperatures or drought occur, timely irrigation should also be carried out. In areas with insufficient water sources, after planting and watering, immediately cover the tree disk with straw or plastic film to reduce soil
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Detailed Explanation of Common Walnut Tree Shapes and Training Techniques
A rational tree shape is the framework of the tree, the foundation for bearing yield, and the basic condition for high yield, quality and efficiency. The purpose of training is to create a solid tree framework, ensuring the leaf canopy can intercept light energy to the maximum extent and bear a relatively high yield. A rational tree
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Detailed Explanation of Key Techniques for Summer Pruning of Walnut Trees
Summer pruning generally refers to pruning during the growing season, and its main contents include bud removal, pinching, branch thinning, girdling, branch bending, and summer shoot tipping. Its role is to regulate the contradiction between growth and fruiting, improve tree light conditions, cultivate robust fruiting branch groups, and increase the fruit-setting rate. Summer prun
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Detailed Explanation of Walnut Tree Pruning Techniques and Methods
Walnuts mostly bear fruit on the terminal buds of branches. Except to encourage branching, walnut branches generally should not be headed back, otherwise fruiting will be affected. Overcrowded branches and dead branches can be thinned out. Weak branches and branches in sparse areas of the inner canopy can be heavily headed back or cut back to encourage new growth.
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What are the technical measures for flower and fruit thinning in walnut trees?
Flower and fruit thinning is a major technical measure for improving the yield and quality of walnut trees. It can save a large amount of nutrients and water, which not only benefits the development of the tree in the current year, improving the current year's nut yield and quality, but also benefits new shoot growth and flower bud differentiation, ensuring
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What are the technical measures for flower and fruit retention in walnuts?
In view of the causes of flower and fruit drop in walnuts, flower and fruit retention should focus on prevention, combining "prevention, treatment and management". Strengthening soil management is the main approach, combined with spraying microelement fertilizers and growth regulators to keep walnut growth in a moderate state. For external catastrophic weather and uncontrollable factors,
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Soil management in walnut orchards can adopt the orchard grass-cover technique
Orchard grass-cover is an advanced, practical and efficient soil management method, especially suitable for walnut orchards with severe soil erosion and poor soil, and it is also one of the important technical measures for producing green fruit and pollution-free fruit. Compared with other soil management methods,
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Detailed Explanation of Key Technical Points for Deep Plowing and Soil Improvement in Walnut Orchards
Deep plowing and soil improvement is one of the main technical measures for improving soil in walnut orchards, and is suitable for areas with poor soil conditions. Through deep plowing, on the one hand it can play a role in storing water and preserving moisture and improving soil structure; on the other hand it can enhance the activity of soil microorganisms and accelerate
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