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Eni Yulianingsih
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EMISI METHANA (CH4) DARI SALURAN DRAINASE LAHAN GAMBUT DI KALIMANTAN TENGAH Eni Yulianingsih
Agric Vol. 28 No. 1 (2016)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2016.v28.i1.p25-30

Abstract

ABSTRACTPeatland development is increasingly becoming a strategic, both in terms of aspects of agronomy, and environmental aspects. Information magnitude of GHG emissions from drainage canals are important in the management of peat sustainability. Its objective is to determine the amount of GHG emissions from peatland drainage channels that are used for traditional rubber plantation. Gas sampling is done in the secondary drainage channel with a channel width of 5 m and 3 m wide tertiary. Sampling was performed six times with five points by using the lid closed cylinder. Sample was analyzed by gas chromatography flame ionization detector incorporates detector (FID) for the determination of the concentration of CH4. CH4 fluxes in peatland drainage channel width of 5 m is relatively higher than in the drainage channel width of 3 m in Jabiren peatlands of Central Kalimantan. GHG emissions in the channel width of 5 m was 542,20 ± 258,57 kg CO2-e yr-1 and 379,14 ± 260,7 kg CO2-e yr-1 of the channel width of 3 m.
Nitrous Oxide (N2O) Emission And Agronomic Character On Different Green Bean Varieties (Vigna radiata L.) In Upland Eni Yulianingsih; Rina Kartikawati; Sri Wahyuni
Agric Vol. 31 No. 2 (2019)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2019.v31.i2.p103-111

Abstract

Cultivation activities on mug bean lands have the potential to cause N2O emissions. Efforts to reduce N2O emissions through the selection of low-emission mug bean varieties. The study was conducted at the Experimental Garden of the Agricultural Environment Research Institute, Jaken, Pati, Central Java, in July 2018 until October 2018. The experimental design used was a randomized block design with six replications and four mug bean varieties: (1), Gronong (2), Menthik (3), PB and (4), Vima 3. Parameters measured were flux and N2O emissions, plant height, number of leaves, number of branches, leaf greenery, weight of 100 seeds, yield of dry beans per tile, and yields. The results of the analysis showes that PB varieties produced N2O emission values for the lowest 1 (one) growing season of 0.17 kg ha-1season-1. Meanwhile, from the results of productivity, the Menthik variety has the highest average yield of dried seeds, which is 1.38 tons ha-1. PB varieties have a higher average weight of 100 seeds (6.28 grams 100 seeds-1). So, in mung bean varieties that produce low emissions, not necessarily have high productivity as well. Greenhouse gas mitigation strategies, especially to reduce N2O emissions can be done by selecting varieties, balanced by good soil treatment, and effective and efficient fertilization.
Co-Authors Rina Kartikawati Sri Wahyuni