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All Journal Jurnal Ilmu Pertanian Jurnal Ilmu-Ilmu Pertanian Indonesia Journal of Degraded and Mining Lands Management SAINS TANAH - Journal of Soil Science and Agroclimatology jurnal Ilmu Pertanian (Agricultural Science)
Kurniasih, Budiastuti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education

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Seasonal methane emissions and agronomic performance of Indonesia’s high-yielding rice cultivars on the north coastal rice fields of Central Java, Indonesia Kartikawati, Rina; Kurniasih, Budiastuti; Putra, Eka Tarwaca Susila; Hanudin, Eko; Arunrat, Noppol
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 21, No 2 (2024): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v21i2.88174

Abstract

Rice contributes significantly to methane emissions. In the north coastal region of Central Java Island, flooding irrigation for high-yielding rice cultivation is used throughout the rice-producing season to reduce the salinity effect. Information on methane emissions in coastal rice fields, particularly in salt-affected soil, is still limited. This study aimed to measure the methane emissions from different high-yielding rice varieties and examine the association with agronomic performance. The study site was in the Wedung district of Demak Regency, Central Java, and the research was carried out from November 2022 to March 2023. Eight rice cultivars—Ciherang, Inpari 32, Inpari 34, Inpari 35, Biosalin 1, Biosalin 2, Inpari Unsoed 79, and Inpari 30—were investigated. The experiment was designed as a randomized block with four replications. Methane gas samples were collected during the growing season in relation to rice stages. There were substantial differences in methane emissions among the eight rice varieties. Inpari 32, Ciherang, and Biosalin 1 had higher rice yields and lower yield-scale methane emissions than the other five rice varieties. Grain production and effective tiller number were significantly (p<0.01) and inversely linked to methane emissions. We found Inpari 32, Ciherang, and Biosalin 1 to be low-methane and high-yielding rice cultivars in salt-affected soil. These findings suggest that the use of these rice varieties by coastal farmers could help mitigate greenhouse gas emissions.
Relationship between soil chemical properties and rice yield under multiple stresses in the coastal agricultural land of Pangandaran, Indonesia Nasrudin, Nasrudin; Kurniasih, Budiastuti; Putra, Eka Tarwaca Susila; Hanudin, Eko; Azman, Elisa Azura
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 1 (2025): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i1.98275

Abstract

Seawater intrusion causes salinity and waterlogging in the coastal agricultural land of Pangandaran, Indonesia. Both limiting factors cause a decrease in soil chemical properties. The decline in rice yield occurred due to the low soil chemical properties. The study aims to identify the soil’s chemical properties based on limiting factors and to reveal its relationship with rice productivity in the coastal agricultural land of Pangandaran. Soil sampling was conducted using a purposive sampling method, and the samples were analyzed in the laboratory. Various soil properties are grouped into three clusters using hierarchical clustering. The cluster of waterlogging high salinity has very high Na-exchangeable with EC ranging from 0.21 - 4.93 dS m-1, while the other two clusters contain high Na-exchangeable and EC ranging from 0.101 - 0.581 dS m-1. Rice productivity under waterlogging-low salinity is <1 t ha-1, no waterlogging-low salinity is 3.63 t ha-1, and waterlogging-high salinity is 2.48 t ha-1. There are negative correlations between Na-exchangeable, water depth, and duration of waterlogging to rice yield (R2= -0.33; R2= -0.58; R2= -0.90). Multiple stresses cause limiting factors, and low soil chemical properties can inhibit plant development. The presence of waterlogging-low salinity has a strong impact on decreasing rice yield. Finally, our study provides an overview of the coastal agricultural land of Pangandaran based on multiple stresses. Furthermore, improved soil properties are needed with good management techniques to make it suitable for rice cultivation.
Co-Authors Ahmad Mustapha Mohamad Pazi, Ahmad Mustapha Mohamad Arunrat, Noppol Azman, Elisa Azura Eka Tarwaca Susila Putra Eko Hanudin Endang Sulistyaningsih Handoko Handoko Indra Dewa, Didik Kartikawati, Rina Najibunniam, Arly Nasrudin Nasrudin Nasrudin Pangestuti, Retno Rudi Hari Murti Ruslan Boy Sari, Reny Mita Susila Putra, Eka Tarwaca Taryono, Taryono Tri Joko Ziaurrahman, Ahmad