Agroforestry In Bangladesh

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Multistoried Agroforestry: A feasible approach to carbon sequestration and soil properties modification Introduction Bangladesh is a country of 168.95 million people situated in contrasting geographical position, thereby, epitomizes most sensitive hotspots for natural hazards and ranked 5th in the Global Climate Risk Index out of 170 countries (Abdullah and Rahman, 2015). The sustainable livelihoods of millions of people hinge on agriculture, which acts as a mainstay of the economy and closely linked to food security. Extreme climatic events, for instance, increasing temperature and erratic rainfall along with austere and frequent floods, droughts and cyclones severely plagued the agricultural sector and jeopardize Bangladesh's food security…show more content…
Agroforestry system is a promising options to counteract the catastrophic effects of climate change through providing multifaceted benefits including food supply, generating income and ecosystem services (Lasco et al., 2014). Among the popular agroforestry systems, multistoried agroforestry is increasingly recognized as a sustainable land use pattern which integrate different trees and agricultural crops in layer by layer that facilitate to reduce soil erosion, maintain soil fertility, improve water quality, conserves biodiversity, increase aesthetics, and capture carbon to alleviate global warming (Nair et al., 2009). Most atrocious point is that, current emission of carbon dioxide (CO2) to the atmosphere augmented to about 9.7 Pg carbon (C) and additionally circa 2 Gt C is set free as CO2 in response to land use and land cover change, including destruction of forests, fossil fuel combustion, soil degradation and depletion of soil organic carbon (SOC) (Peters et al., 2013). The…show more content…
It is worthy to mention that tree based intercropping systems also promotes diverse soil microbes and arbuscular mycorrhizal (AM) communities which play pivotal role in the retrieval of microbial functions as well as keep the soil free from periodic disturbance. The recovering ability of microbial biomass after disturbance helps in maintaining agroecosystem functions and services (Griffiths and Philippot, 2012). In addition, trees in multistoried agroforestry systems accelerate understory growth by reducing incident solar radiation, air and soil temperature along with reduced wind velocity while improving water status, gas exchange and water use efficiency (Bayala et al., 2008; Kho, 2008) as compared to sole cropping
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