江苏沿江地区大棚保护地夏季利用模式的效益及其评价

以大棚"春提早黄瓜-晚秋莴笋"模式为对照,在该模式中分别插入种植鲜食玉米、鲜食大豆、丝瓜、丝瓜+小白菜等作物,进行大棚保护地夏季利用模式的经济效益研究和可利用性分析。结果表明:插入鲜食玉米、鲜食大豆、丝瓜、丝瓜+小白菜后,大棚保护地每667 m2产值分别增加1015、865、3780和5829元;新增纯收益率分别为8.11%、6.22%、33.57%和55.15%;边际成本报酬率分别为2.15、1.93、2.46和2.72。利用大棚棚架种植丝瓜和棚架种植丝瓜并套种小白菜,为两种显著增收型的夏季利用模式。

Benefit and Evaluation of Summer Utilization Mode of Greenhouse-protected Field in Yanjiang Region of Jiangsu

Taking "early spring cucumber-late autumn lettuce" in the greenhouse-protected field as the control mode,interplanting fresh-edible corn,fresh-edible soybean,luffa,luffa + pakchoi in the control mode,the author studied and analyzed the economic benefit and usability of different summer utilization modes of greenhouse-protected field in Yanjiang region of Jiangsu province.The results showed that after inserting fresh-edible corn,fresh-edible soybean,luffa,luffa + pakchoi,the output value of the greenhouse-protected field was increased by 1015,865,3780 and 5829 yuan per 667 m2 respectively,the net income was increased by 8.11%,6.22%,33.57% and 55.15% respectively,and the marginal benefit-cost ratio was 2.15,1.93,2.46 and 2.72 separately.So "early spring cucumber-luffa-late autumn lettuce" and "early spring cucumber-luffa + pakchoi-late autumn lettuce" in the greenhouse-protected field were the better two summer utilization modes which could obtain significant income-increasing effect.