Abstract
High salt concentration in the soil is a serious problem in vast areas of otherwise productive agricultural lands in India. Establishment of salt tolerant vegetation could be an effective way of ameliorating this problem. In an 8-year field trial on an alkali soil, growth and biomass production ofProsopis juliflora was greater in sole stand than when interplanted with the grassLeptochloa fusca, but soil improvement was greater for the mixed tree-grass treatment.Prosopis accumulated substantially more biomass nutrients when in sole stand, but total nutrient recycling was similar with and without grass. Less salt tolerant but more palatable fodder crops such asTrifolium resupinatum, T. alexandrium andMelilotus denticulata were successfully grown withProsopis after removingL. fusca in theProsopis plus grass treatment 50 months after commencement. Tentative economic analysis suggests theProsopis plus grass system gives higher returns. TheProsopis-Leptochloa system combines production with biological reclamation, and is an appropriate form of reclamation agroforestry for alkali lands.
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Singh, G. An agroforestry practice for the development of salt lands usingProsopis juliflora andLeptochloa fusca . Agroforest Syst 29, 61–75 (1995). https://doi.org/10.1007/BF00711282
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DOI: https://doi.org/10.1007/BF00711282