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我国人多地少，资源与人口矛盾日益尖锐，气候限制因子较多，因此，稳定持续地提高土地利用率和生产率是我国农业发展的核心问题，其中积极推进设施农业特别是日光温室生产的发展，是我国农业持续发展的重要内容，而调整作物种植结构，建立立体、复合、多元的合理种植结构，提
Since there are many people in our country, the contradiction between resources and population is getting increasingly sharp and there are many climate restriction factors. Therefore, it is the core issue of agricultural development in our country that the land utilization and productivity are steadily and continually increased. Among them, the development of facility agriculture, especially solar greenhouse production is actively promoted , Which is an important part of the sustainable development of agriculture in our country. However, the crop planting structure should be adjusted to establish a three-dimensional, complex and diversified rational planting structure