-
Methods and Technical Key Points for Top Grafting and Variety Conversion of Walnut Trees
Among the walnuts currently cultivated on a large scale, seedling trees are in the majority. These seedling trees have mixed populations, severe varietal degeneration, low yields, and poor quality. By adopting the top grafting and variety conversion method, early-bearing walnut varieties bear fruit 1-2 years after top grafting, and late-bearing varieties bear fruit 2-3 years after top grafting, which can significantly improve
-
How to protect walnut trees from the cold? A detailed guide to cold-protection techniques for walnut cultivation
Because walnut tree branches have a large pith and high water content and poor cold resistance, they are prone to freeze damage in the colder and drier areas of the north, causing branch dieback. Therefore, to ensure the normal growth of young trees and prevent freeze damage, winter cold-protection work should be strengthened to reduce the harm
-
Summary of Experience in Renovating Low-Yielding Bayberry Trees
Low-yielding bayberry trees mainly include: stunted young trees, excessively vigorous trees, aging trees, low-yielding trees in mixed forests, and trees of poor-quality varieties. Their causes of low yield differ, so renovation should be carried out according to specific circumstances. 1. Stunted young trees: Because the amount of base fertilizer applied at planting of the seedlings was small, or even nonexistent, and the planting holes were small, the root system grew poorly; or because of damage from pests and diseases and the climatic effects of natural disasters, tree growth became weak, the canopy was short and small, and the branching ability was extremely poor, so the number of flowers and fruits was low. Trees showing this phenomenon are called stunted young trees.
-
What are the remedial measures after lychee trees suffer frost damage?
1. Pruning When leaves die and the top twigs turn brown and necrotic while the lower branches and leaves are not frozen to death, the affected dry, brown branches and leaves should be removed in time to prevent the spread of frost damage and to avoid increasing the burden on the plant. Proper pruning can also stimulate vegetative growth, but if the leaves are dry while the branches
-
Key Technical Points for Maintaining High and Stable Yields in Mature Longan Trees
Environmental factors such as warm winters have seriously affected the fruit set of longan, so much so that the yield of Putian longan in recent years has consistently been unsatisfactory. To ensure high yields in mature longan trees, four critical gates must be strictly controlled. The first is the variety gate. Years of practice by agricultural technology departments have shown that the 'Songfengben'
-
How to Grow Young Lemon Trees for High Yields? A Detailed Guide to Cultivation Techniques
Among the countries and regions that produce citrus worldwide, quite a few cultivate lemons. Lemon is a type of citrus widely welcomed by consumers. It is rich in nutrients, containing a good amount of citric acid, vitamin C, vitamin B, vitamin P and other vitamins. In lemon juice
-
Key points of winter pruning techniques for chestnut trees, easy for growers to understand at a glance
Question: How to prune chestnut trees in winter. Answer: Winter is the golden season for pruning chestnut trees. Winter pruning refers to pruning during the period from leaf fall to before bud break in spring. Winter pruning of chestnut trees is generally divided into pruning of young trees, pruning of mature trees, and pruning of old trees. 1.
-
A Detailed Guide to Two Methods of Grafting Chestnut Trees
The side graft method and the cut graft method are introduced as follows: The side graft method is a grafting method in which the trunk is not cut in autumn. This method can be used for both seedlings and tall grafting of large trees. The specific procedure is: 1. Opening the rootstock. At about 7 cm from the ground on the rootstock, on the straight side, make a light downward cut, about 3 cm long
-
Detailed Explanation of Post-Harvest Management Techniques for Chestnut Trees
Before fruit harvest, chestnut trees begin flower bud differentiation; after fruit harvest, the tree's nutrients are extremely depleted. Whether autumn and winter management can be strengthened in time affects the quality of flower bud differentiation and has a great impact on the next year's yield. 1. Rational fertilization, provide enough to "eat." Generally, every 100 kg
-
How to prune and train hawthorn trees
The pruning and training of hawthorn trees is a management measure of reasonable adjustment carried out on the basis of soil, fertilizer, and water management, and is an important technique for promoting high yields of hawthorn. 1. Training The high-yielding tree form of hawthorn varies according to cultivar, site conditions, planting density, and planting method.
条件筛选