The cornice vegetable arrangement must be adapted to the market, adapted to local conditions, and adapted to the Greenhouse. The following principles should generally be mastered in the arrangement of the mouth:
First, according to the market price, the peak harvest period of vegetables is arranged at the highest price of vegetables.
The second is to arrange the ripening period of vegetables in the season of most suitable vegetable growth. Only when high yield and high price are combined, can high efficiency be achieved, and management difficulty and production loss can be reduced. For example, some vegetable farmers only see high vegetable prices during the Spring Festival, and do not consider the insulation performance of their greenhouses, blindly carrying out large-scale vegetable production in winter. Before and after the Spring Festival, the light intensity is the weakest in the year, the sunshine time is the shortest, and the temperature is the lowest. The low-grade greenhouse insulation performance is poor, it is difficult to meet the needs of vegetable growth, which is not conducive to vegetable growth and development, and the yield is extremely low, often failing to meet expectations. Effect. In fact, in the greenhouses with poor insulation performance, if the production is two years, that is, winter and spring, and autumn and winter, fully utilizing the light and heat resources from March to June and September to November, high yield and high efficiency can also be obtained.
The third is to improve the utilization rate of greenhouses. There is a problem of "summer leisure" in the winter-heated greenhouses, and there is a problem of "winter leisure" in the arch shed. It can be cultivated in the winter-heating greenhouses during the summer break period, and the soybeans are planted in the summer season. Planting small rapeseed and spinach in the winter season of the arch shed can effectively improve Planting benefits. Fourth, we should consider switching with other vegetables to reduce pests and diseases and prevent secondary salinization of the soil.
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