<Li> Water storage in succulent above - ground parts or water - filled tubers . </Li> <Li> Adaptations in the root system to increase water absorption . </Li> <Li> Trichomes (small hairs) on the leaves to absorb atmospheric water . </Li> <P> Arid conditions can lower the yield of many crops . Plant breeding programs for improved yield during drought conditions have great economic importance, and these programs may be broad in scope . For example, one study on soybeans currently being conducted by the United States Department of Agriculture is scheduled to span several years, with research taking place across that country, and has among its goals the identification of specific mechanism by which soybeans resist wilting and of the specific genes for drought tolerance . </P>

What is the meaning of drought in power plant