1 | The postcode of Chengkou County, Chongqing City, China is 405900. | |
2 | In this paper, taking Chengkou county as an example, factors contributing to soil erosion were studied. | |
3 | 在对重庆城口县主要农作物和野生经济植物进行实地调查的基础上,确定以8种主要资源植物为研究对象,对其含硒量及其分布进行了系统研究。 Based on an on - the - spot survey of the cultivated plants and economically - important wild plants in Chengkou county, Se content in 8 main resource plants was determined. |