Review Article Adv Plants Agric Res 2016, 4(5): 00150 a couple of agronomic studies have reported that biochar had the capacity to influence BNF in leguminous plants [10] [11] [12] [13] [14] [15] ; however, mechanisms remain unclear. A possible mechanism related to the biochar-associated increased N 2 fixation could be the effect of nutrient availability. Rondon et al. (2007) conducted a short-term study investigating biochar effect on the BNF of Abstract Biochar, a solid carbon rich material

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... d by-product of pyrolysis, has been identified as an amendment to improve soil fertility as well as sequester carbon (C). A growing number of studies have been conducted to test the effect of biochar in soil environment within the past ten years requiring frequent updated reviews and minireviews to summarize this rapidly growing body of literature. In this paper, we will summarize and review possible mechanisms of biochar effects on soil nitrogen (N) and phosphorus (P) transformations, nutrient leaching, and crop yield, providing an outlook of biochar implementation in soil environment for future research.