Southern Winter Potato Field Sowing Technology
The cultivation of potatoes in winter free fields can not only increase the multiple cropping index and increase the total grain output, but also can fill the gap between the supply of northern potatoes and increase the efficiency of agricultural production. The prospects are very broad. In recent years, the use of winter-free fields for planting potatoes has developed rapidly in the south, and the southern region has been identified by the Ministry of Agriculture as a key area for the development of the Chinese potato in the future. However, potato planting in the southern winter-free fields has just started, and the cultivation technology system is still incomplete. Seeding Technology as an Important Component of Cultivation Technology System and Its Effect on Potato Yield and Quality
Larger. Proper and close planting can not only make individuals well-developed, but also exert the group's increase in production, in order to make full use of light energy and soil strength, so as to obtain high yield. Sowing time has a close relationship with potato production.
Potatoes planted in winter fields in southern China are generally sowed in winter and harvested in late spring. If sowing is too early, it will be vulnerable to late frost after emergence; if the sowing is too late, the harvest period will be postponed and the production of rice will be delayed. The potato is a shallow root crop, and the seeding depth and method of seeding of seed potatoes
It has a direct impact on the distribution of potato roots and the growth of new potato stalks. The planting is too shallow, the tubers are not deep in the soil, the soil is shallow or soil is not cultivated in the late stage of growth, it is easy to produce green potatoes and affect the commercial nature; the planting is too deep, the emergence is slow or causes bad planting, therefore, determine the suitable sowing depth and the way of seed potato soiling It is a key issue for the potato planting technology system in winter and field. From the sowing date, planting density, and sowing method, the author studied the high-yield and high-quality cultivation sowing technology system of potato in winter and field, in order to provide reference for the efficient production of potato in the winter field in southern China.
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