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soil erosion造句
1. Crop rotation helps prevent soil erosion. 2. Soil erosion was mitigated by the planting of trees. 3. Tree cover would prevent further soil erosion. 4. The area is plagued by soil erosion and flooding. 5. They also harbour wildlife and help prevent soil erosion. 6. Poor farming methods have contributed to increased soil erosion. 7. Is soil erosion really a problem? 8. In addition, the scale of measurement over which soil erosion occurs affects the measurement itself. 9. Even an innocent-looking cup of coffee creates soil erosion because of over-production on coffee plantations, and chronic water pollution during processing. 10. For agriculture, the most significant result of accelerated soil erosion is a reduction in productivity. 11. Without the trees, soil erosion in the area accelerated rapidly. 12. Pollution, mining, uncontrolled tourism and soil erosion caused by logging are to blame. 13. However the methodologies in assessing soil erosion hazard, as well as policy instruments, may well not be applicable outside the United States. 14. In many instances this is too late to obviate desertification and soil erosion. 15. Constructing rows of turbines in strategic areas could reduce soil erosion and help to phase out the use of wood for fuel. 16. We infer that they accumulated during periods of accelerated soil erosion. 17. Although the increase in rainfall would aid irrigation, it would add to the problems of soil erosion and nutrient leaching. 18. Trampling of vegetation is one of the most widespread environmentally degrading repercussions of recreation and can also lead to excessive soil erosion. 19. The main purpose of the list is to illustrate complexity and variety of political-economic and physical circumstances of soil erosion. 20. Three different ways can be identified in which piecemeal improvements to the conceptualisation of the soil erosion problem have been transcended. 21. The question arises as to why there is so little official action to combat soil erosion. 22. More trees are being planted for timber and to prevent soil erosion. 23. Usually the classes and groups most adversely affected by soil erosion are politically weak, disunited and spatially separated. 24. In 1983 Lewes District Council spent £12,000 to alleviate the effects of soil erosion on a housing estate. 25. This quotation is one of the very few places in his work where he actually mentions soil erosion. 26. There are problems related to the complex and varying manner in which symptoms of soil erosion appear through time. 27. In conclusion, there is a wide variety of social and physical contexts of soil erosion. 28. One subject studied relatively little by physical geographers has been the occurrence of soil erosion. 29. At this point the discussion shifts to the question of ideology in assessing the importance of soil erosion. 30. Many of these areas also suffer from extremely serious soil erosion, although reports and impressions seem to differ.