Analysis of Yields and Benefits by Different Planting Patterns in Yanqing District Facility Vegetable Production
The yields and economic benefits of 5 different greenhouse planting patterns in Yanqing District of Beijing were investigated taking the common pepper large crop over-summer cultivation as the contrast.The results showed that the yields and economic benefits of these 5 planting patterns were all improved in different extents than the contrast.Moreover,the input-output ratios were significantly higher than that of the contrast.Therefore,these 5 planting patterns had good prospects for promotion.Among the 5 planting patterns,3 patterns of tomato-violet bean,Lettuce-small watermelon-cabbage,and tomato-celery were arranged scientificly and reasonablly,they could be firstly extended.Two planting patterns of small watermelon-small watermelon,and celery-celery needed more attention for reasonable crop rotation and avoid successive cropping.
国家科技期刊平台
NSTL
万方数据
维普
