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三门河流域位于湖北省英山县杨柳湾镇境内,总面积55平方公里,有15个村,3561户,15671人。 流域土壤质地具有明显的大别山土壤特点。在地质构造上属古老的淮阴地质,是花岗片麻岩粗骨架棕黄岩区,风化壳厚度一般为20米至30米,由于物理化学作用和生物活动的影响,风化度强烈,其风化层主要含石英、云母、长石,有机质含量在1％以下,粘粒缺少,胶结能力弱,质地粗,结构松散,易流失。 1975年,我们在三门河建立了水土保持站,开始进行治理,1980年国家开始投资,把三门河流域定为重点小流域治理单位。在治理过程中,我们紧密结合农业生产,主要采取的农业措施是: 一、间作套种。根据旱地的不同自然特点,充分利用光能、土壤水分和营养成分,实行作物群落间作、套种、混种及复种,以提高作物生产力。我
Sanmen River Basin is located in the town of Yangliuwan, Yingshan County, Hubei Province. It covers a total area of 55 square kilometers and has 15 villages and 3561 households with 15,671 people. Soil texture of the basin has obvious characteristics of the soil in the Dabie Mountains. In the geological structure of the ancient Huaiyin geology, is the granite gneiss coarse skeleton brown rock area, weathering crust thickness is generally 20 to 30 meters, due to the impact of physical and chemical activities and biological activity, weathering is strong, the weathering layer Mainly containing quartz, mica, feldspar, organic matter content below 1%, the lack of clay, cementing capacity of weak, coarse texture, loose structure, easy to drain. In 1975, we established a soil and water conservation station in Sanmen River and started to govern. In 1980, the state started to invest and set the Sanmen River Basin as a key small watershed management unit. In the process of governance, we closely integrated with agricultural production, the main agricultural measures taken are: First, intercropping. According to different natural characteristics of dry land, take full advantage of light energy, soil moisture and nutrients, crop intercropping, interplanting, mixed and multiple cropping, in order to improve crop productivity. I