| 1. | Soil contamination by carbon tetrachloride in south suburb source of a city
某市南郊水源地土壤四氯化碳污染特征 |
| 2. | Variation of soil nutrients in cover vegetable field in south hebei province
冀南地区蔬菜保护地土壤养分变化特点 |
| 3. | Soil anti - erodibility indexes of hippophae rhamnoides forest in loess plateau
黄土高原沙棘人工林地土壤抗蚀性指标探讨 |
| 4. | Studies on physical ch aracters of soil in mixed forest of chinese fir and paulownia
杉木泡桐混交幼林地土壤的物理性质 |
| 5. | Seasonal variation of alkaline hydrolysis n in marsh soils in xianghai wetlands
向海沼泽湿地土壤碱解氮含量的季节变化特征研究 |
| 6. | Application of geo - statistics in spatial heterogeneity of soil nutrients in wetlands
地统计学在湿地土壤养分空间异质性研究中的应用 |
| 7. | Soil n decreased within 6 years following burning and increase after 6 years after fires
火烧后6年内，迹地土壤氮的含量较未烧前少。 |
| 8. | Effects of farmlands ' soil erosion under different intensities of rainfall in loess hilly regions
黄土丘陵区不同降雨强度对农地土壤侵蚀的影响 |
| 9. | The discussion on models for estimating soil erosion rates from caesium - 137 measurements on cultivated land
示踪农耕地土壤侵蚀速率模型的比较研究 |
| 10. | Soil ca leaches easily after fire . then soil ca can returned to level before burning gradually
火烧迹地土壤速效磷含量的变化与全磷有大致的趋势。 |
