- 期刊
覆蓋及敷蓋對坡地土壤穩定性之影響
Effect of Crop Covering and Mulching on the Stability of Slope-land Soils
並列摘要
The purpose of this paper is to study the effect of crop covering and mulching on the stability of aggregates on slope-land soils. Samples were collected from the experimental plots for soil and water conservation study at Fengshan chi-Chi and Ming-Chien. From data obtained, We can see the following facts: 1. A higher aggregate stability was obtained from crop covering plots than from mulching plots mainly due to even distribution of newly formed organic matter by the root system of cover crops. 2. soil in the non-legume plots had a higher aggregate stability than that in the legume plots. Legumes usually have narrow C/N ratios and are easy to decompose. Non-legumes have wide C/N ratios and decompose slowly. This means that nonlegumes can provide the soil newly formed organic matter for a longer period of time than the legumes.
並列關鍵字
無資料被引用紀錄
延伸閱讀
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