When do walnuts ripen?
Walnut is one of the most popular nut foods, also known as walnut, Qiang peach, etc., together with almond, cashew and hazelnut, they are called the world-famous "four dried fruits" with high nutritional value. rich in calcium, phosphorus, iron and other trace elements and minerals and carotene, riboflavin and other vitamins, let's take a look at when walnuts will mature!
When do walnuts ripen?
The ripening period of walnut fruit varies with different varieties and climatic conditions. the ripening period of early-maturing variety and late-maturing variety can be 10-25 days different. generally, the ripening period of walnut fruit is from early to mid-September in the north, but relatively earlier in the south. Walnut ripens before and after the "White Dew" festival, so it is appropriate to postpone harvest for a few days, and it is best to harvest in stages and in batches. Usually, the maturity period of walnut trees planted sporadically is not consistent, and that of walnut trees cultivated in pieces is more consistent. In Chuandao, river valleys, hills, low and middle mountain areas, it is better to harvest in early September, and in high mountain areas in early and middle September.
Where is the origin of walnuts?
Walnut is widely distributed in China. Walnut is widely distributed in 22 provinces (autonomous regions and cities), including Heilongjiang, Liaoning, Tianjin, Beijing, Hebei, Shandong, Shanxi, Shaanxi, Ningxia, Qinghai, Gansu, Henan, Anhui, Jiangsu, Hubei, Hunan, Guangxi, Sichuan, Guizhou, Yunnan and Xizang. Inner Mongolia, Zhejiang and Fujian provinces (regions) have a small number of introduction or cultivation The main producing areas are Yunnan, Shaanxi, Shanxi, Sichuan, Hebei, Gansu, * *, Anhui and other provinces (regions), among which Sanguan Forest area in Bozhou City, Anhui Province is known as the largest walnut forest farm in Asia.
What are the varieties of walnuts?
1. Walnuts are classified by origin, such as Chencang walnut, Yangping walnut, wild walnut and so on.
2. Walnuts are classified into summer walnut, autumn walnut and so on according to their maturity.
3. Walnut can be classified into light walnut, hemp walnut and so on according to the degree of shell smoothness.
4. Walnut can be divided into two types according to its shell thickness: thin-shell walnut and thick-shell walnut.
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How to preserve passion fruit without deteriorating quality
Passion fruit is named for its rich nutrition, fragrant smell and aroma of guava, mango, banana and other fruits. It has the effects of anti-inflammatory and analgesic, promoting blood circulation and strengthening body, lowering blood fat and lowering blood pressure, nourishing yin and tonifying kidney, refreshing and sobering up, eliminating fatigue, detoxifying and beautifying, pregnancy can enhance immunity, etc., but how to preserve it is a problem. Let's take a look at how passion fruit can be preserved for a long time!
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