Sustainable Management of Soil and Environment by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9789811388323
Publisher: Springer Singapore

6.5 Legumes as Green Manure

At the moment, various countries have entered into the post-green revolution stage due to the extensive applications of synthetic chemicals in intensive agricultural system and are a stand in front of a very giant problem of decreasing crop yields (Meena and Majumdar 2016; Sihag et al. 2015). The soil health management practices at an ample scale in order to maintain soil productiveness represent a crucial aspect for increasing crop yields and becoming a matter of grave concern for farmers and scientists. The application of macrobiotic mucks, counting green manures, symbolizes effective approach to enhance soil fruitfulness in many aspects (Fageria 2007).

Green manure refers to the inclusion of crumbled fresh/parch plant residues into the soil which undergoes biodegradation with the help of soil residential microflora and contributes to SOM. Legumes are the efficient green manuring crops as their decomposed plant materials after harvest can improve nutrient-binding and water-holding capacities of soil, reduce soil erosion, and increase SOM and thereby improve different soil properties aiding intensified crop productivity (Dinnes et al. 2002; Fageria and Baligar 2005; Meena et al. 2017b). Legume green manuring can be classified into two categories depending upon the site of manuring, i.e., in situ green manuring and ex situ green manuring. In case of in situ green manuring, legumes are cultivated and added in the soil at the same site, while in case of ex situ green manuring, residual legume trashes are gathered from proximal sites and added to the soil before the sowing of next crop. Moreover, legumes have a number of attributes such as BNF, concise period, resistant to abiotic as well as biotic stresses, environmental flexibility, rapid production, simplicity in addition to soil, etc., thereby enabling improved supervision of agricultural sustainability (Meena et al. 2018b; Sofi et al. 2018).

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