What are the requirements for environmental conditions of Chinese chestnut?
What are the requirements for environmental conditions of Chinese chestnut? Please introduce the development of chestnut production, we must understand the requirements of chestnut on environmental conditions in order to achieve the expected economic benefits. If it develops blindly, it will cause great losses. (1) temperature: Castanea mollissima has a wide range of adaptability to temperature, ranging from Li and Miao Autonomous Prefecture of Hainan Island in the south (18 °31') to Ji'an (41 °20') in Jilin Province in the north. It can also be said that the annual average temperature of 8.5 ℃ to 21.8 ℃ can grow. (2) rainfall: Chinese chestnut does not have strict requirements on rainfall. The average annual precipitation in southern chestnut producing areas is 1200~1800mm, and Chinese chestnut grows well. The annual precipitation in the northern chestnut producing area is 400 to 800mm, and the Chinese chestnut is also growing well. (3) Illumination: Castanea mollissima is a positive tree species, and sufficient light conditions are needed for its growth and development. The garden should be built in a relatively open area, and the shady slope with too large slope and the canyon that is squeezed are not suitable for the development of Castanea mollissima. (4) Wind: Chinese chestnut is a wind-pollinated flower, and the breeze at flowering stage is conducive to pollination and can improve the seed setting rate. (5) soil: chestnut does not have strict requirements on soil texture. Except for poor growth in overly clayey soil, chestnut can grow in general soil, but chestnut has very strict requirements for soil pH value. The suitable pH value is 4-7 and the most suitable pH value is 5-6. Chestnut can not grow in alkaline soil. Chinese chestnut in Shaanxi Province is mainly distributed on the Piedmont alluvial fans in the Qinba Mountains, the northern slope of the Qinling Mountains and the northern foot of the Qinling Mountains. Except for the small area distribution of Baimatan in Hancheng and Huanglong County, there is no chestnut growth in Weibei and northern Shaanxi. The main reason is that the soil in these areas is alkaline soil. Click to get more chestnut planting techniques click to get more fruit planting techniques
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What are the varieties of Chinese chestnut?
What are the varieties of Chinese chestnut? Please introduce that the traditional chestnut production is real breeding, and the so-called varieties are some primitive groups, such as Zhenan chestnut, Changan Mingdong chestnut, Hanzhong gray chestnut, Xunyang chestnut, Baoji chestnut, Weinan chestnut, Huanglong chestnut and so on. After the 60 s of last century, we began to choose the best.
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How to prevent the empty canopy of Chinese chestnut?
How to prevent the empty canopy of Chinese chestnut? Please introduce the method to cause the empty canopy of Chinese chestnut, in addition to the characteristics of the variety, the main reason is lack of nutrition or lack of boron. The comprehensive control measures are as follows: 1. Improved varieties: improve the varieties of poor chestnut trees with high empty canopy rate and low yield in mountainous areas. ...
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