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三河市燕效镇兴都村土棚结构温室发展呈上升趋势。据查这种温室投资小［６６７（亩）棚（室）仅投资８０００元］，见效快，年纯收入１６０００元。他们的主要做法是：提高大棚利用率，合理安排茬口，种植模式由原来每年两茬增加至３茬，其茬口安排为：芹菜。７月中旬至８月上
Sanhe Yanxiao Town Xingtu Village soil structure greenhouses development is on the rise. According to the investigation of this small greenhouse investment [667 (mu) shed (room) only invested 8,000 yuan], quick, annual net income of 16,000 yuan. Their main approach is: to improve the utilization of greenhouses, rational arrangements for crop rotation, cropping patterns from two to three stubble per year, its stubble arrangement: celery. From mid July to August