Trend 2: From open cultivation to protected land cultivation: Protected cultivation includes greenhouses, greenhouses, multi-layered coverage, net sheds, and shading. The cultivation of open field is affected by the early spring climate, and the yield is not stable. Although the investment is small, easy to plant, good management, large cultivation area, and concentrated on the concentration, the problem of seasonal surplus is prominent.

Trend 3: From the single-season cultivation to the annual cultivation and development: In the past, in order to solve the early spring or late autumn vegetable off-season, some early-maturing or very early-maturing varieties were often used to produce off-season vegetables in the short-term and should be used in the short-term. These varieties are often resistant, poor quality, low yield, short growth period. With the improvement of productivity, how to extend the production season or carry out annual production, the product has a long period of time, good quality, and high output, which has become a trend in the market.

Trend 4: From single planting to multi-level cultivation and development: In order to make full use of the existing cultivated land and the space in the protected area, intercropping, interplanting, multiple cropping, multi-cultivation and multi-layer cultivation are often conducted according to the vegetable production situation. Such as tomatoes interplanting watermelon, intercropping leaf vegetables, mushrooms, pepper interplanting leeks, leeks or melon, melons and vegetables interplanting ginger, etc., in order to obtain a stable high-yield.

Trend 5: From the group's benefits to the pursuit of three-dimensional cultivation and development: With the development of science and technology, the high yield of individual plants has been improved, and higher yields and benefits can also be obtained through thin-planting and three-dimensional cultivation.

Trend 6: From decentralized production to intensive production: From decentralized small-scale farming operations to centralized and contiguous planting, it is conducive to the popularization and application of new technologies and the large-scale processing, storage, transportation and sales of products.

Trend 7: From labor-intensive to technology-intensive production: Microcomputer control technology, drip irrigation, micro-irrigation technology, automatic roll-up blinds, automatic temperature control and light control, insect pollination, insecticidal lamp pest control, and pest control network pest control technology , Reduce labor intensity and increase production efficiency.

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