Traditional Culture Encyclopedia - The 24 Solar Terms - When do walnuts ripen?
When do walnuts ripen?
The maturity of walnut fruit varies with varieties and climatic conditions. The maturity difference between early-maturing varieties and late-maturing varieties can be 10-25 days. Generally speaking, the maturity in the northern region is mostly from early September to mid-September, and it is relatively early in the southern region.
Walnut ripens around the "Bailu" festival, so it is advisable to postpone harvesting for a few days, and it is best to harvest it in stages and batches. Usually, the maturity of walnut trees planted sporadically is not consistent, but the maturity of walnut trees cultivated in pieces is consistent. In Sichuan, river valleys, hills and low mountainous areas, it is better to harvest in early September, and in high mountainous areas, it is better to harvest in the first half of September. When the walnut kernel is ripe, its color is yellowish brown or yellowish.
Planting method of walnut tree
Walnut trees germinate in spring, grow leaves in May, bloom in May, and mature in June, 5438+ 10. Therefore, walnut trees are generally planted before spring germination or after autumn fruit ripening. Spring and autumn are the best time to plant walnut trees. For example, planting in spring should be done before seedlings germinate after thawing in soil, while planting in autumn should be done after beginning of autumn and before soil freezing.
Walnut trees do not require high environmental conditions, and can be cultivated in areas with annual average temperature of 9~ 16℃, annual rainfall of 500~800 mm and altitude of 600~ 1200 m. Walnut has wide adaptability to soil, but it is more suitable to choose loam with deep fertility and strong water retention because of its deep roots and weak resistance. Walnut is a light-loving fruit tree, which needs sufficient light. It is best to choose the south slope to build a garden in mountainous areas.
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