论文部分内容阅读
当归是宕昌县传统栽培的四大名贵药材之一，历年栽培面积在１６６６．７ｈｍ２左右，商品总产量在２８００ｔ以上，年出口３００ｔ以上。近年来，我县开展的地膜当归栽培技术获得成功，据测产，当归地膜栽培平均产鲜归６７２０ｋｇ／ｈｍ２，较露地栽培增产２９．１％，特...
Angelica is one of the four traditional medicinal herbs cultivated in Dangchang County. The cultivated area over the years is about 1666.7hm2, with a total output of more than 2800 tons and an annual export of more than 300 tons. In recent years, my county to carry out the cultivation of plastic film Angelica success, according to the measured output, the average yield Angelica film cultivation fresh 6720kg / hm2, compared with open field cultivation yield 29.1%, ...