琴溪高级农业生产合作社位于浙江省淳安县的西北角,与安徽省歙县邻接,山多田少、人口稠密,且以农业生产为主要收入来源。全社包括两个自然村,184户,790人,耕地面积1317.3亩,占耕地面积的77.2%,水田仅有300.9亩。绝大部分的水田和坡地是在山坡地上筑堤修起来的,土壤以红壤土(当地称为“棱角土”)为最多,而红壤土又可分为深灰色和灰白色两种,其中以深灰色的较为肥沃。土层的分布 Qinxi Advanced Agricultural Cooperative is located in the northwest corner of Chun’an County, Zhejiang Province, adjoins Jixian County, Anhui Province, with a small mountainous field and a dense population. Its agricultural production is the main source of income. The whole community includes two villages, 184 households, 790 people, 1317.3 acres of arable land, accounting for 77.2% of the arable land, paddy field only 300.9 acres. The vast majority of paddy fields and slopes are erected on the slopes of the embankment to repair the soil with red loam soil (referred to as “angular soil”) for the most, and red loam can be divided into dark gray and gray two, of which deep Gray is more fertile. Soil distribution