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在目前大面积推广的温室及各种拱棚中,尤其在冬春季节保温栽培的情况下,CO_2浓度多显现严重的不足。这是影响棚室蔬菜生产的限制因子。在国外的棚室蔬菜生产中,CO_2施肥已经极为普及。我国这一新技术的应用并不普遍,主要原因是群众对它没有足够的认识,因为CO_2气体看不到,摸不着,不
In the current large-scale promotion of greenhouse and a variety of arch sheds, especially in the winter and spring insulation cultivation situation, the CO 2 concentration showed a serious shortage of more. This is a limiting factor affecting the production of greenhouse vegetables. In greenhouse vegetable production abroad, CO 2 fertilization has become extremely popular. The application of this new technology in our country is not universal. The main reason is that people do not have enough understanding of it because CO 2 gas can not be seen or touched.