Carya cathayensis in Lin 'an will be picked on September 7th. It will take 3-5 days for those who pick it quickly and a long time for those who pick it slowly. It needs all kinds of shelling processing, and it will not be available until the end of September. Of course, there are a few in the early and middle stages, but the number must be small, and a large number will be listed until the end of September 10.
Lin 'an is the main producing area of hickory in China. The cultivation and utilization of Carya cathayensis has a history of more than 500 years. The walnut essence produced in Lin 'an is famous at home and abroad for its full, crisp and delicious nuts. The fat content in its core nutrients is 57.9%-67.4%, and the protein content is 7. 1%-9. 1%. Its shell can be made into activated carbon, and its skin and shell can be used to produce natural plant fuel.
I. Time to Market of Carya cathayensis in Lin 'an
1, Carya cathayensis in Lin 'an is usually listed from September to June every year. Linan's carnosine is famous at home and abroad for its excellent quality of full nuts, thin round shells, crisp and delicious. The fat content in core nutrients is 57.9%-67.4%, the protein content is 7. 1%-9. 1%, the total phenol content in functional components is 0.86%-2.90%, the dietary fiber content is 7. 1%-7.7%, and the total flavonoids content is 0.
2. Lin 'an is the main producing area of hickory in China. Carya cathayensis has been cultivated and utilized for more than 500 years. Pecan food is mainly produced in Hangzhou and sold as a specialty of Hangzhou. Its shell can be used to make activated carbon, its skin, shell, branches and leaves can be used to produce natural plant fuel, and tannin can also be extracted from involucre. Wood can be used for making furniture and military purposes.
Second, the cultivation techniques of Carya cathayensis
1, land selection and land preparation
The vertical distribution height of Carya cathayensis is 200- 1 100 meters above sea level. Sunny slopes and semi-sunny slopes should be selected for planting above 500 meters above sea level, and shady slopes and semi-shady slopes should be selected for planting below 500 meters above sea level. Generally, block soil preparation is used for planting in mountainous areas, and horizontal strip soil preparation can be used for planting on gentle slopes.
2. Planting method
Plant in high altitude areas from late February to late March, and plant in low altitude areas from the end of 10 to10 or from mid-February to late March to avoid freezing weather. Engineering measures such as digging horizontal belt, building platform to accumulate soil, terraced fields, and fish scale pit soil preparation are adopted to maintain water and soil.
3. Fertilizer management
The principle of fertilization is based on organic fertilizer and microbial fertilizer, supplemented by chemical fertilizer. Young trees are applied with special fertilizer for Carya cathayensis 1 00-500g/plant, adult trees1.5-2.5kg/plant, young trees are fertilized in February-March, and bearing trees are applied1time in mid-March and mid-September respectively. There are two main fertilization methods, one is in vitro fertilization and the other is rhizosphere fertilization.
4. Flower and fruit management
The flowering temperature of Carya cathayensis is still low and there is more rainfall, which leads to poor natural pollination, low fruit setting rate and serious yield decline. Therefore, artificial pollination can improve the fruit setting rate of Carya cathayensis. In order to obtain high yield, artificial measures must be taken to improve the fruit setting rate of Carya cathayensis.
5, intertillage weeding
Weeding should advocate manual weeding. If herbicides are used, it is best to use weeds that hurt leaves but not roots.
6, timely harvesting
Weeds in woodland should be removed at harvest to facilitate fruit picking. The fruit cattail (involucre) turned yellow-brown, cattail separated from nuts, and some fruits began to fall off. At this time, it is the right harvesting time.