资阳县属浅丘地区,土壤多为紫色页岩形成的沙粒,沙壤土,从全县来看属少林区,森林复盖率为3.9%,历来水土流失严重.今年七·一三特大洪灾给农、林、牧、付等各方面都带来了很大损失,处处可见堆沙淤泥,特别是沿沱江一带,卵石垒垒、一片荒滩.灾后我们对有林无林、多林与少林,灌草植被多和少与水土流失关系进行调查,现将调查研究的情况整理于后. Ziyang County is a shallow hill area, mostly purple soil shale formation of sand, sandy loam, from the county point of view is a Shaolin area, forest coverage rate of 3.9%, has always been serious soil erosion. , Forest, animal husbandry, payment and other aspects have brought great losses, everywhere can see the pile of sand and mud, especially along the Tuojiang River, pebble basement, a wasteland.After the disaster we have no forest, forest and forest, Investigation of the relationship between shrub and grass vegetation more and less and soil erosion, now the situation of the investigation and research are sorted out.