Madras Agricultural Journal
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Assessment of Biological Efficiency of Silvipasture Systems

Abstract

Field trials were conducted in agroforestry system involving multipurpose tree species and fodder crops to assess the biomass production in Acacia leucopholea, Ailanthus excelsa, Tectona grandis , Gmelina arborea, Erythrina indica, Pongamia glabra and Thespesia populenea based silvipasture system . The results revealed that A. leucopholea + Cenchrus Ciliaris gave the highest LER of 1.13. Under 15 years old A. excelsa plantations, fodder cow pea recorded the highest fodder yield of 7.08 t ha-1 with LER value of 0.84. Desmanthus virgatus was found to be a compatible fodder crop for teak plantations of 10 years old and guinea grass recorded the highest green fodder yield of 3.91 t ha-1under pungam based silvipasture system. In all the silvipastoral systems, irrespective of the tree component, grass fodder recorded the highest RYT followed by legume fodder.

Keywords: Silvipasture, Fodder yield, Land Equivalent Ratio, Relative yield total.

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