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By Ramesh Umrani, C. K. Jain

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A diverse multipurpose tree community provides not only diverse products, but may also render stable nutrient ~~. Biodiversity Conservation Society needs to craft synergies among sustainable livelihoods, the Kyoto Protocol, the Convention on Biological Diversity, and other international instruments. Genetic diversity of land races and trees in agroecosystems is particularly of immediate concern as there is a danger of erosion in ethnocultivars as well as knowledge that has generated such diversity.

Onomic impact of agroforestry practices on farmers are presented in Table ~. a) Biomass production: There is significant increase in biomass production viz. fodder, fuel, timber etc. with the adoption of agroforestry. Fodder species like Glyricidia maculata, Sesbania, Luecaena sp. (Subabul) and other species like techtona grand is, acacia, Azdirachta indica (neem), Cassia siamea, Melia dubia, Casurina sp. (Casuarina) were grown in agroforestry. This combination not only meets the fodder needs of the cattle and timber needs for agricultural implements but also add organic matter to the soil.

8% over the control. Biological yield was also higher under trees than that in the open area. Soils under different tree canopies were rich jn organic carbon content, moisture availability and nutrient status. Recent studies have found that multiple-use species such as Bambusa nutans have the potential to help in soil nutrient binding during restoration of abandoned shifting agricultural lands (jhum fallows) in northeastern India under B. nutans. A comparison of jhum cultivation and agroforestry suggests that the latter is an option to address the challenges of slash-and-burn.

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