Walnuts stored at home are generally not in large quantities and can be stored in dry fresh-keeping boxes for a longer period of time.If walnuts are stored and eaten immediately, they can also be stored in the ice storage room of the refrigerator for preservation. It is recommended to have a temperature of 4 degrees Celsius.

Walnuts have rich nutritional value. 86% of the fat in walnuts is Unsaturated fat acid. Walnuts are rich in copper, magnesium, potassium, Vitamin B6, folic acid and vitamin B1, as well as fiber, phosphorus, niacin, iron, vitamin B2 and pantothenic acid. In every 50 grams of walnuts, moisture accounts for 3.6%, and it also contains 7.2 grams of protein, 31 grams of fat, and 9.2 grams of carbohydrates.

Walnuts are light loving tree species, especially after entering the fruiting period, they require sufficient light. The tree shape can be divided into two types: an evacuation layered shape or a natural open center shape. Varieties with strong dryness and those with good site conditions adopt an evacuation layer shape, and the specific requirements and operation process can refer to apples.

Walnuts, also known as walnuts and Qiang peaches, are a widely cultivated species both domestically and internationally. Generally, trees are 10-20 meters tall, with a trunk diameter of about 1 meter and a lifespan of up to one or two hundred years. The crown of the tree opens after striking, forming a semi circular or round head shape, with a diameter of 6-9 meters. The fruit is a surgical fruit, circular or oblong, with a diameter of 4-5 centimeters. The outer skin is thin, with a smooth or hairy surface and yellow white spots.

A good walnut has a round and neat appearance, a thin and clean outer shell, uniform patterns, and tight stitching. The darker the color of the walnut shell, the longer it ages. If there are oil stains seeping out of the walnut shell, it indicates that the walnut has deteriorated. In addition, check if there is any damage to the outer shell. If the outer shell is damaged, the nuts inside will be contaminated and therefore cannot be consumed.

Walnut trees generally reach a height of 3-5 meters, with a grayish white bark and shallow longitudinal cracks. The pith of the branches is flaky, and the young branches have fine pubescence at the tips (2-year-old branches are often hairless). There are also trees as high as 20-25 meters, with shorter trunks and wider crowns compared to other species. When young, the bark is grayish green, but when old, it is grayish white and longitudinally split.

Walnut trees have strong adaptability, fewer pests and diseases, save labor in management, facilitate fruit storage and transportation, and have a long lifespan. Walnut trees like temperature and light, and have strict water requirements, especially during the growth period of new shoots and fruit development. They require sufficient water supply and should be planted in sandy loam soil with loose structure and good water retention and breathability.

Walnuts are mainly propagated through grafting. The rootstock is a 1-2 year old seedling of this stock or iron walnut. First, store the seed sand layer for more than 60 days and remove it for sowing at the beginning of spring. The row spacing of drilling is 30-40 centimeters, the plant spacing is 12-15 centimeters, and the soil cover is about 5 centimeters.

Walnut shells have many functions and functions, which can be used for making feed, dyes, fuel, etc., and also have good health benefits.

Walnuts are very nutritious nuts, and also contain a lot of protein, fat, minerals, vitamins, Linoleic acid acid, linolenic acid, etc. The effects contained in Deep-sea fish are also contained in walnuts, but it is more convenient to eat walnuts at ordinary times, so many people will often eat walnuts to supplement nutrition, so that the body is more healthy.