The Study of Chicken Manure and Steel Slag Amelioration to Mitigate Greenhouse Gas Emission in Rice Cultivation

Muhammad Iqbal Fauzan, Syaiful Anwar, Budi Nugroho, Hideto Ueno and Yo Toma
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Muhammad Iqbal Fauzan: Department of Soil Science and Land Resource, Graduate School, IPB University, Dramaga, Bogor 16680, Indonesia
Syaiful Anwar: Department of Soil Science and Land Resource, Faculty of Agriculture, IPB University, Dramaga, Bogor 16680, Indonesia
Budi Nugroho: Department of Soil Science and Land Resource, Faculty of Agriculture, IPB University, Dramaga, Bogor 16680, Indonesia
Hideto Ueno: Department of Agro-Biological Science, Graduate School of Agriculture, Ehime University, 3-5-7, Tarumi, Matsuyama, Ehime 790-8566, Japan
Yo Toma: Department of Agro-Biological Science, Graduate School of Agriculture, Ehime University, 3-5-7, Tarumi, Matsuyama, Ehime 790-8566, Japan

Agriculture, 2021, vol. 11, issue 7, 1-14

Abstract: Organic matter, fertilizers, and soil amendments are essential for sustainable agricultural practices to guarantee soil productivity. However, these materials can increase the emission of greenhouse gases (GHGs) such as CH 4 and N 2 O. Thus, technologies for reducing GHG emissions in concert with the increase in rice production from rice fields are needed. The objectives of this study were to determine the best chicken manure (CM) and steel slag (SS) combination to mitigate CH 4 , N 2 O, and CO 2 emissions in an incubation experiment, to identify the best CM:SS ameliorant mixture to mitigate CH 4 and N 2 O, and to evaluate dry biomass and grain yield in a pot experiment. A randomized block design was established with four treatments, namely conventional (chemical fertilizer only) and three combinations of different ratios of CM and SS (1:1, 1:1.5, and 1:2.5), with five replications in a pot experiment. CM:SS (1:2.5) was identified as the best treatment for mitigating CH 4 , N 2 O, and CO 2 in the incubation experiment. However, CM:SS (1:1.5) was the best CM and SS ameliorant for mitigating CH 4 and N 2 O in the pot experiment. The global warming potential of CH 4 and N 2 O revealed that CM:SS (1:1.5) had the lowest value. None of the combinations of CM and SS significantly increased dry biomass and grain yield.

Keywords: methane; nitrous oxide; incubation experiment; pot experiment; rice paddy yield (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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