Farming without irrigation, using mulching, frequent fallowing, working the soil to a fine tilth, and frequent weeding to conserve water. See R. Shetto and M. Owenya (2007).
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。