(2) Walnuts should be straight and not biased. Straight walnuts are better than crooked ones.
(3) The edge must be straight and firm. There should be no injury on the tip, no yellow tip and black tip, and the two walnut tips should be the same length. Walnut tail can't be empty, so-called empty tail won't live long. That's the reason. Whether there are cracks on the stare blankly is a big problem. If it breaks the whole walnut, it's over. Some lines are a little deep and not cracked. It takes some experience to distinguish them. If you cannot judge, I suggest you give up and choose another one.
(4) The first action of picking walnuts should be shaking. Listen to see if there is any noise inside. If there is a sound, there is no need to look again. Because such walnuts have been separated from each other. Not an insider, not an experienced player, it is recommended not to buy this walnut.
(5) The weight of walnuts is also very important. Too light walnuts have growth problems, either malnutrition or immature walnuts. Heavy walnuts have a handle to play with, most of them are wild, and of course the price is higher. Note that the surface of walnuts is black, and some of them are usually muddy and burnt. Note that the white powder in the walnut pleats is peach gum, a fungus. Don't buy such walnuts.
(6) Speaking of the sense of smell, this is my own idea. The real unprocessed walnut has a unique flavor and no strange smell. For new walnuts, you can tell whether they have been processed or not. Because chemically soaked things have a chemical smell, which is very irritating to the nose. Of course, it can also be distinguished by traditional skin color. Don't buy bleached chemicals. Such walnuts are unnatural in color and are not good for your health. There are usually sulfuric acid bleaching and hydrogen peroxide bleaching. Sulfuric acid bleaching can be said to be very common. Bleached walnuts are mainly yellow and have an influential smell. When they are close to the eyes, the eyes will have an influential feeling. Hydrogen peroxide bleaching is rare, walnuts are whiter, so don't analyze them too much.
(7) Inconsistent colors may not be walnuts planted on trees or annual walnuts. Even if they are planted on the same tree, the colors of a pair of walnuts will be different because of the reason of picking the negative side first and then picking the positive side. It is impossible to solve this problem by kneading. And the more oiling, the greater the color difference. Experienced old players can do it. They can make it invisible to laymen in a certain way, but if they don't do it well, it will be counterproductive. The color of hemp walnut determines what kind of walnut can be played. Try to choose light red, pink and white, so that walnuts can play red.
(8) See if the bottom of the walnut is flat. If the bottom is not flat, it will be difficult for the walnut to be flat. Many people don't pay much attention to the base and think it doesn't matter. In fact, this is also an important symbol of walnut quality. Not all walnuts depend on the base. Juglans mandshurica can't be leveled at all, so the cardinal number problem can be ignored, and the lion's head, tiger's head and official hat are an important point of view. Walnuts with a good foundation will naturally go up a lot because of this.
Walnut growth habit temperature: Walnut is a warm-loving tree species, and the suitable temperature range and frost-free period are: annual average temperature 9 degrees-16 degrees, extreme minimum temperature minus 25 degrees-minus 2 degrees, extreme maximum temperature below 38 degrees, and frost-free period 150 days.
Light: Walnuts like light. After entering the fruiting period, it is more necessary to have sufficient lighting conditions. The annual sunshine hours should be more than 2000 hours to ensure the normal growth and development of walnuts. If it is less than 65,438+0,000 hours, the core-shell and nucleolus will be stunted. In cultivation, light must be considered from the aspects of garden selection, planting density, cultivation method, shaping and pruning.
Soil: Soil is the foundation for the growth and development of all plants. The huge root system and tree body of walnut need deep soil layer (more than one meter) to ensure its good growth and development.
Moisture: Walnut is resistant to dry air, but sensitive to soil moisture. Too dry or too wet soil is not conducive to the growth and fruiting of walnuts. Therefore, soil and water conservation engineering measures should be taken in mountain walnut orchard; On the flat land, the drainage problem should be solved. The groundwater level of walnut orchard should be 2 meters below the surface.
Walnut likes loose soil and good drainage, and it doesn't grow well in the soil with high groundwater level and high viscosity. But it grows best in weak alkaline soil containing calcium. The adaptive range of soil PH value is 6-8, and the soil salt content should be below 0.25%, which has little influence on the growth results. Too much salt will lead to death. Walnuts like fat.
The main value of walnuts is that they can be used as handicrafts. Spend a long time playing, carving and playing with walnuts.
Its color is like agate and jade, and its value is high.
artware
Through the carving of folk artists, the images and patterns of various animals and figures are carved on walnuts to make nuclear carvings.
The earliest nuclear carvings in the Ming Dynasty were made of peach stones, and it was not until the Qianlong period of the Qing Dynasty that nuclear carvings of flower boats and figures carved with olive stones and walnut stones appeared. Walnut carvings in Ming Dynasty are mostly immortal figures, evil spirits, mascots and so on.