旱作是一个汉语词汇，读音是hàn zuò，意思是不灌溉而进行的耕作。
doc 关键词： 晚稻田；旱作；稻草覆盖；土壤氮素 [gap=12172]Key words: late-rice paddy field; dry cultivation; straw mulching; soil nitrogen ...
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We conclude that rice cultivation in aerobic soil with straw mulching could improve soil fertility, and thus assure a higher crop production and water use efficiency.
总之，水稻覆盖地膜旱作水稻在一定程度上改变了土壤氮素存在形态和含量，增加了微生物量含量，提高了土壤肥力，从而改变作物的氮肥利用率和产量，在农业生产上具有重要的推广价值。
参考来源 - 种稻方式对稻麦轮作系统中作物产量、氮肥利用和土壤肥力的影响In order to provide a theoretical basis for further popularization of rice aerobic cultivation,the effects of different N forms on rice growth, nutrient absorption,nitrogen use efficiency,and soil fertility status under non-flooded cultivation were studied as well.1.
旨在阐明不同水稻覆盖方式对水稻和大麦的土壤肥力特征、作物生长的影响以及不同供氮形态对旱作水稻生长和养分吸收的影响,为提高氮肥利用效率和改善土壤肥力状况提供解决方法,并为水稻旱作的进一步推广提供理论依据。
参考来源 - 不同覆盖方式对稻麦生长和养分吸收的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
随着抗旱作物新品种的不断开发，基因工程也可能提供部分解决方案。
Genetic engineering also may provide a partial solution, as new strains of drought-resistant crops continue to be developed.
很多研究都致力于培育抗旱作物。
A lot of research is going into efforts to develop drought - resistant crops.
同样重要的是引进盐和耐旱作物以及恢复沿海森林。
Also important is introducing salt and drought-resistant crops as well as rehabilitating coastal forests.
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