The contents and size of rock fragments are increased with the slope gradient, and are influenced by the Lithology itself and tillage practices.
砾石含量和砾石大小随坡度呈增加的趋势，并受到岩性和耕作措施的影响；土壤表层的砾石含量和坡度存在着直线、对数或指数的关系；
The effects of various tillage practices on soil properties, soil water status and sugarcane growth in seedling period were investigated in this paper.
研究了不同耕作方式对土壤物理特性、水分状况、甘蔗苗期生长的影响。
The winter wheat yields with conservation tillage practices were improved in the 2nd year, increased by 3%, 5% and 8% with RT, NT and SS, respectively, compared with CT.
连续采用保持耕作措施的第2年冬小麦产量增加，少耕、免耕和深松处理的产量分别较对照增加3%、5 %和8%。
The Roundup Ready system has helped farmers grow more corn, soybeans, cotton and other crops while reducing detrimental soil tillage practices, killing weeds easily and cheaply.
抗农达除草剂的种植体系帮助农民种植更多的玉米、大豆、棉花和其它作物，该方法可以减少耕作，并廉价和快速的清除杂草。
Influence of soil texture, tillage practices and stubble on water storage content before wheat sowing was studied by using the method of contrast in Linfen and Xiangfen, Shanxi province.
在山西临汾、襄汾采用大区对比法研究了土壤质地、耕作方式及茬口对小麦播前土壤贮水量的影响。
To avert our arable land from further degradation, soil management must be shifted from degrading tillage to conservation practices.
为了阻止耕地地力的持续下降和生态环境进一步恶化，土壤管理方式必须由传统的耕作方式转向保护性耕作。
Reasonable agronomic management practices can conserve black soils from erosion and regain black soil fertility, including contour ploughing and conservation tillage.
合理的农业管理措施，如等高耕作和保护性耕作可以在很大程度上控制黑土侵蚀，保持和恢复黑土肥力。
In 1985, Congress passed a Conservation Reserve Program to reduce soil erosion using practices such as conservation tillage and no-till.
1985年美国国会通过减耕和休耕等水土保持办法，确实减少表土的侵蚀，并控制基本农作物的再生产。
Management practices of tillage, fertilization and irrigation can influence the level and quality of SOC of China, having effects on soils fertility and crop yield, as well as on global environment.
在耕种、施肥、灌溉等管理措施影响下，中国农田土壤中碳库的质和量发生了较大变化，这不仅影响了土壤肥力及作物产量，而且对区域及全球环境带来影响。
Management practices of tillage, fertilization and irrigation can influence the level and quality of SOC of China, having effects on soils fertility and crop yield, as well as on global environment.
在耕种、施肥、灌溉等管理措施影响下，中国农田土壤中碳库的质和量发生了较大变化，这不仅影响了土壤肥力及作物产量，而且对区域及全球环境带来影响。
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