More tricks to increase the efficiency of greenhouse vegetable production

More tricks to increase the efficiency of greenhouse vegetable production

1. The use of reasonable shed-type plastic greenhouses has many types of sheds and different properties. Production should be based on the local climatic conditions, cultivation season, production level and economic basis, the rational selection of shed type, which is to ensure the greenhouse vegetable high yield, high quality and high efficiency of the premise, that can save costs and increase efficiency is the best way.

2. The use of a layer of water droplets on a non-drop film plastic greenhouse film can reduce the light transmittance by 20-30%. Since there is no water droplet adhesion on the non-drip film surface, the light transmittance can be improved, and the yield and quality of vegetables are improved. .

3. Choose suitable varieties for cultivation in greenhouses. Use plastic greenhouses to grow vegetables. The requirements for varieties are rather strict. Warm winter plastic greenhouse cultivation of cucumber, to use low temperature, low light varieties. Such as Changchun Mimi and so on. Spring-type plastic greenhouses are used to cultivate winter and spring vegetables, and the early-stage energy-tolerance, low-light, early-maturing, and late-maturing varieties can be used to adapt to high-temperature environments and disease-resistant varieties. Suitable cucumber varieties include Changchun Mimi and Luhuang No. 4; tomato varieties have Lufen No.2, Zaofeng, Xifen No.3 and so on; green pepper varieties include Xiangyan No.1 and No.1 Shenjiao No.1. In late autumn cultivation of greenhouses, varieties with early high temperature resistance, disease resistance, late low temperature resistance and relatively concentrated results are used. The cucumber varieties promoted in production include Luchun 26, Luchun 32, Jinza No. 6, etc.; tomato varieties have Lufen No. 2, No. 10, etc., in short, select good varieties according to the season.

4. Extension of grafting and nursery techniques Greenhouses are suitable for grafted seedlings, which can overcome the continuous cropping of the soil and prevent the occurrence of root diseases. The prevention and control effect of grafted seedlings on cucumber fusarium wilt is generally over 90%, and the total yield is more than 20% higher than that of self-rooted seedlings. When grafting, microbial fertilizers similar to goldfish bacterial fertilizer are used, and the survival rate will be greatly improved.

5. The use of greenhouse warming agent greenhouse temperature-increasing agent is a new technology with significant effect of increasing the yield of vegetable protection and cultivation. The increase rate is generally about 30%, especially for the winter production of winter warm greenhouse and the early spring production of spring greenhouse. The effect of increasing production is even more pronounced.

6. To promote chemical control technology in the flowering period of tomato, use plant regulators such as golden bacon growth agent to dilute the liquid to prevent falling flowers; in the case of cucumber 2-3 true leaves, spraying the leaves can significantly reduce female flower nodes. . The proportion of female flowers is significantly increased; treatment of tomato seedlings with a solution of a goldbeet fertilizer solution can prevent leggy.

7. Promote the three-dimensional planting technology The construction cost of plastic greenhouses is relatively high. Full use of greenhouse space for three-dimensional planting can significantly increase production and efficiency. Greenhouse interest cultivation, according to the growth and development characteristics of different vegetables, the use of the time difference between the length of the growth period of the front and rear alfalfa vegetables, the spatial difference between the height of the plants, the level difference of the depth of the root distribution, and the ecological difference of vegetables that require different environmental conditions, to carry out intercropping It is cultivated in layers and cultivated to cultivate a variety of vegetables on a certain area of ​​land to achieve high yield, high quality and high efficiency.

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