Leguminous plants have played an important role in human development and civilizations. The legumes increase the level of available soil nitrogen and they are adapted to wide range of environmental conditions in arid regions (Miller, Jastrow 1996; Zaharn 1999). The naturally-growing herb legumes attracted the attention of scientists in the last decade, they are nodulated by diverse strains of rhizobia and actively-fixing nitrogen at levels comparable to that of crop legumes (Zahran 1998, 2001). The wild herb legumes are adapted to severe conditions such as salinity and drought encountered in the arid regions (Zahran 1999).

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Growing Soilless

Growing Soilless

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