| 1. | Soil degradation by erosion in sloping land in southern jiangsu province , china 侵蚀引起的苏南坡地土壤退化 |
| 2. | Soil degradation and sustainable management of chinese fir plantation 澳大利亚塔斯马尼亚林业公司人工桉树林经营模式及启示 |
| 3. | Fruit forest soil degradation of guanyang county , guangxi and its sustainable development 广西灌阳县果林土壤退化与可持续发展 |
| 4. | It encompasses soil degradation and the deterioration of natural landscapes and vegetation ” 它包括土壤退化和自然景观和植被的衰退。 |
| 5. | However , rules and mechanism controlling the soil degradation were not very clear as yet 但落叶松人工林土壤质量降低的原因和土壤质量变化规律,至今尚不十分清楚。 |
| 6. | This reduces soil degradation , as freshly tilled soils are shaded and protected from heavy rains and run - off by the trees 它可以减少土地的退化,通过树木来保持土壤不被暴雨冲走。 |
| 7. | Soil degradation is an important factor of restricting our country agriculture and , social economic sustainable development 土壤退化是制约我国农业和社会经济持续发展的重要因素。 |
| 8. | The results indicated that deforestation and cultivation led to severe soil degradation . this article also analyzed the social and economic conditions 借助dps软件,用主成分分析法对小流域1996 ~ 2002年的土地利用进行评价。 |
| 9. | The aim of the field experiment was to investigate to what extent such a system could prevent soil degradation resulting from very intensive crop rotations 此次田间试验的目的,是研究这一方法能在多大程度上防止由于精细的作物轮作所产生的土壤退化。 |
| 10. | These experiences will be beneficial to china in solving the problems of soil degradation , fragile ecological environment and low resilience to natural disaster 这些宝贵的经验对中国解决类似的土壤退化生态环境恶化农民抵抗自然灾害能力低下等问题有着非常重要的意义。 |