Four notes of walnut planting

Planting should pay attention to the allocation of pollination trees. When developing walnuts, most people will ignore the problem of allocation of pollination trees, which is one of the main reasons for the current low walnut production. Walnut flower buds are divided into female and male, and the flowering time of female and male flowers of the same species is often inconsistent, generally differing by 6-7 days, and the longest difference is nearly 10 days, resulting in a rare flowering period, so the falling of walnuts is very serious. It has been observed that some varieties of male flowers are opened first, and some varieties of female flowers are opened first. If more than two varieties are planted in the same garden, the problem of fruit set-up due to poor flowering time can be solved.

The planting hole should not be planted in small walnuts. After planting in the garden for nearly 100 years, the tree pit must be dug to a length, width and depth of 111 meters. When the soil is backfilled, it is within the depth of 20 cm in the bottom of the tree pit. Add 25 kg of organic fertilizer. Digging a large planting hole is very conducive to root growth and development. The application of organic fertilizer inside the hole can lead the root system to deeper growth and enhance the cold resistance and drought resistance of the tree. At present, planting walnuts to planting caves only digging length, width and depth of 0.50.50.5 meters or using machinery to open 50-60 centimeters of ditch is undesirable, because planting walnuts is not only to seek for its survival, it is important to let its results, and early Results, multiple results, good results, long-term results. In particular, digging the small planting hole in the clay is one of the important causes of the roots, yellow leaves, and dead trees of the young walnut trees. Therefore, planting auricles rather big, not small, through the digging and planting holes to achieve the purpose of improving the soil, but also laid the foundation for future high yield.

Choosing the best varieties of walnuts results sooner or later, quality is good or bad, high yield traits are mainly determined by varieties. In some areas, planted walnuts are mostly used for seed breeding. The results usually begin 7-8 years after planting. At present, China has selected and bred a number of excellent varieties and adopted grafting to cultivate seedlings, which can maintain the characteristics of good varieties well, but the selling price is usually 2-3 times that of seedlings. At present, there are still shoddy phenomenon in the market. Some of the fruit growers do not know the truth, and they still do not produce results after 5-6 years. Therefore, the development of walnut cultivation must choose good varieties. It is recommended to use fine varieties such as Zhonglin System, Liao Nuclear System, Jinlong Series, thin shell incense and gift walnuts.

Broken root root rootnut walnut seedlings are particularly well developed, while the lateral roots are very weak and resemble radishes. In order to promote the growth of lateral roots, the main root must be cut off before planting, and the lateral fibrous roots must be protected to prevent loss of water and dryness. Otherwise, the survival of seedlings will be affected. The best method is to excavate the seedlings in time for planting, transport the seedlings with mud at the root, and soak the roots for 12-24 hours before planting so that the plants can fully absorb water. The best conditions for soaking are with rooting powder water, which is to increase seedlings. Effective measure of survival rate.

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