地膜覆盖是一项新的农作物高产栽培技术措施,许多发达国家应用较早。我国在七十年代末即开始进行试验、示范、推广,现已广泛应用在蔬菜、经济作物和产值较高的粮油作物上,取得了显著效益。但是有关蓖麻采用地膜覆盖栽培技术及其经济效益方面的研究资料尚未见有报道。为此我们于1984年至1985年进行了此项技术的试验研究,为 Film mulching is a new crop cultivation techniques and measures, many developed countries apply earlier. Our country started experimenting, demonstrating and popularizing at the end of the seventies, and now it has been widely applied to vegetables, cash crops and cereals and oil crops with high output value, and achieved significant benefits. However, no research has been reported about the research on the technology of castration and cultivation of castor and its economic benefits. To this end, we conducted a pilot study of this technology from 1984 to 1985