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Book of Extended summaries ISDA

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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &<br />

Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad<br />

CH4 emission was higher in RDF (85.11 kg ha -1 ) and lowest under BS + MTH (R&F) (72.23<br />

kg ha -1 ). The CH4 reduction percentage in BS + MTH (R&F) and MTH (R&F) over RDF,<br />

were 15.1 and 14.8%, respectively (Figure 1b).<br />

a<br />

CH 4 flux (mg m 2 h -1 )<br />

8<br />

6<br />

4<br />

2<br />

0<br />

RDF BS BS+MTH(R)<br />

Days after transplanting<br />

[RDF- recommended dose <strong>of</strong> fertilizer; BS-basic slag; MTH(R)- methanotroph root dip; MTH(F)-<br />

(methanotroph formulation).]<br />

(a) Methane and (b) reduction percentage <strong>of</strong> methane per in rice at different growth stages <strong>of</strong> rice under<br />

different treatments in kharif season.<br />

Conclusion<br />

Our findings indicated that soil amendment with basic slag and methanotrophs enrichment in<br />

rhizosphere could be a sustainable option for mitigating methane emission from lowland rice.<br />

References<br />

Conrad, R., 1996. Soil microorganisms as controllers <strong>of</strong> atmospheric trace gases (H2, CO, CH4,<br />

OCS, N 2O, and NO). Microbio. reviews, 60(4), pp.609-640.<br />

264 | Page<br />

Climate resilient agriculture for risk mitigation

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