Reducing greenhouse gas emissions and grain arsenic and lead levels without compromising yield in organically produced rice

• Published in: Agriculture, ecosystems & environment Vol. 295; p. 106922
• Main Authors: Islam, Syed Faiz-ul, de Neergaard, Andreas, Sander, Bjoern Ole, Jensen, Lars Stoumann, Wassmann, Reiner, van Groenigen, Jan Willem
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.06.2020
• Subjects: ammonium; animal manures; arsenic; biogas; biogeochemical cycles; biomass; cadmium; Carbon payment; composts; Dissolved organic carbon; dry season; drying; farmers; field experimentation; food safety objective; food security; global warming potential; Global warming potentials; grain yield; greenhouse gas emissions; greenhouse gases; Heavy metals; lead; Methane; methane production; Microbial biomass carbon; mineral fertilizers; Nitrous oxide; Organic fertilisers; Redox potential; rice; Root biomass; soil water; structural equation modeling; Structural equation modelling; water management; water resources; Methane; Dissolved organic carbon; Microbial biomass carbon; Root biomass; Structural equation modelling; Carbon payment; Nitrous oxide; Organic fertilisers; Global warming potentials; Redox potential; Heavy metals

•e-AWD water regime reduced seasonal CH4 emissions up to 85 %.•DOC was reduced up to 47 % which was linked to the reduction of CH4 emissions.•Grain As, Pb and Cd levels were reduced up to 65, 72 and 33 % respectively.•Root biomass and length increased up to 72 %, which was linked to the yield increa...