Purwanto, Didik and Manik, Tumiar Katarina and Timotiwu, P B and Pramono, Eko (2023) Effect Of Nitrogen Fertilization And Irrigation Scheme On Growth, Production And Metane (Ch4) Emissions In Paddy Rice Cultivation. TheJournalish, 4 (5). pp. 1-14. ISSN 2722-5402

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Abstract

Global warming is characterized by an increase in the earth's surface temperature caused by an increase in the concentration of greenhouse gases (GHG) such as methane (CH4), carbon dioxide (CO2), and nitrous oxide (NO2) in the atmosphere. Methane gas emissions have been widely studied and found that rice cultivation is the main source of methane emissions in the agricultural sector. Indonesia as a country with rice as a staple food really needs to conduct research on methane gas emissions from rice cultivation. This research was conducted from October 2021 to March 2022 in farmers' rice fields, North Rawa Jitu District, Mesuji Regency, Lampung Province. The purpose of the study was to determine the effect of irrigation schemes and different fertilizer doses on growth, crop yield and CH4 gas emissions in rice field cultivation. This study used a factorial design with 3 replications. The irrigation scheme as the first factor with 2 levels, namely interrupted irrigation (IR1) and flooded irrigation (IR2) while the nitrogen factor as the second factor with 3 levels, namely 0 kg N/ha (N0), 50 kg N/ha (N50), 100 kg N/ha (N100. The variables observed were plant height, number of tillers, grain weight per clump, grain weight per experimental plot, stash weight and CH4 gas emissions. The results showed that the effect of nitrogen fertilizer treatment showed a significant effect on the variables of plant height, grain weight per clump, dry grain harvest production and biomass weight. The intermittent irrigation scheme and the application of nitrogen fertilizer dose of 100 kg N/ha had a significant effect on the number of tillers and grain production. Methane gas emissions follow the phase of plant growth, N fertilizer dose and irrigation scheme; in general, intermittent irrigation treatment produces lower methane (CH4) emissions than flooded irrigation treatment. Keywords: Paddy, Irrigation, Nitrogen Fertilization, CH4 Gas Emissions

Item Type:	Article
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Fakultas Pertanian (FP) > Prodi Magister Agronomi
Depositing User:	Dr Paul B Timotiwu
Date Deposited:	09 Nov 2023 04:52
Last Modified:	09 Nov 2023 04:52
URI:	http://repository.lppm.unila.ac.id/id/eprint/52782

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