Role of VA Mycorrhiza in the Development of Agroforestry Model and other Floristic Vegetation in the Degraded land
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2015, Vol 7, Issue 4
Abstract
Chhattisgarh region of India has adequate forest area, unfortunately the forests, owing to the adverse biotic factors are by and large under stocked and degraded resulting in the intense demand for food, fuel, fodder and small timber together with increased erosion of environment. To address these problems, a study was carried out to rehabilitate the degraded land through different agro forestry models in Northern Chhattisgarh region. The main agro forestry models developed in different sites were agrisilvicutural system, agrisilvi-pastoral-system, silvi-pastoral system and multistory models with multipurpose tree species. The species under trial were Bamboo sp., Embelica officinalis, Dalbergia sissoo, Gmelina arborea, Pongamia pinnata, Albizia procera, Albizia lebbeck, Terminalia arjuna, Acacia catechu, Acacia nilotica, Azadirachta indica and Leucaena leucocephala, at different degraded sites on farmers land, community land and government land at different spacing with different combinations. Mycorrhiza was used as biofertilizer treatment and control was also maintained for each treatment. The split plot design was selected because the fertility of land varied. Observations regarding height, collar diameter, VAM infection per cent, SVI and survival per cent were recorded. The physiochemical parameters of the soil and growth parameters of the species were recorded periodically and analyzed statistically. Gmelina arborea based agro-forestry model was found better in performance as compared to other developed models. Study reveals that degraded land could be restored and improved through development of appropriate agroforestry models, thus, enhancing the livelihood and environmental security.
Authors and Affiliations
Agarwal Rashmi, Bhavana Dixit
Keywords
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