Journal of Cleaner Production | VOL. 191
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Energy budget and carbon footprint in a no-till and mulch based rice–mustard cropping system

Publication Date Aug 1, 2018

Abstract

Abstract The increase in emission of greenhouse gases (GHGs) due to anthropogenic perturbation in both the agricultural and natural eco-systems are degrading the environmental quality. Conventional tillage (CT) and residue burning/removal exacerbates the land degradation and GHG emission, and the impacts are much more in the upland ecosystem than valley lands. Therefore, the aim of the present study was to evaluate the energy budget, and carbon footprint (CF) of no-till (NT) and mulches under the upland rice (Oryza sativa)–mustard (Brassica campestris var. toria) cropping system over CT based system to develop a clean production technology for improving the environmental quality and conservingnatural resources. The novelty of the study is that integrated effect of NT, diverse mulches and cropping system effect has been considered together as a conservation measure for sustainable and clean agricultural practice over those of CT based technologies. The experiment comprised of two tillage systems as the main-plot and four mulch types as the sub-plot treatments under a split-plot design. Two tillage systems included: 1. CT-RI: CT with 100% residue incorporation (RI), and 2. NT-RR: NT with 100% residue retention (RR). Four mulch types included: 1. rice straw mulch (SM), 2. green manure (GM) - Gliricidia sp. (a leguminous shrub) mulch, 3. brown manuring (BM) mulch [cowpea (Vigna unguiculata) grown as an intercrop and killed with a spray of 2, 4-D, 40 days after sowing (DAS)] and 4. no mulch (NM) control. The adoption of NT-RR sig...

Concepts
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No Mulch
Energy Use Efficiency
Conventional Tillage
Brown Manuring
Carbon Footprint
Cropping System
Number Of Tillage Operations
Energy Use
Days After Sowing
Rice Straw Mulch

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