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All Journal Jurnal Keteknikan Pertanian JOURNAL OF WETLANDS ENVIRONMENTAL MANAGEMENT
Arjuna Neni Triana
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Engineering Environmental Science

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Biomass and Soil Nutrients Turnover Affected by Different Peat Vegetation M Edi Armanto; Agus Hermawan; Momon Sodik Imanudin; Elisa Wildayana; Sukardi Sukardi; Arjuna Neni Triana
Journal of Wetlands Environmental Management Vol 11, No 1: January - June, 2023
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (329.296 KB) | DOI: 10.20527/jwem.v11i1.292

Abstract

This research aimed to analyze potential supply and removal of biomass and soil nutrients induced by different vegetation on peatlands. The research was carried out in peats dome of the catchment area of the Sibumbung River and the Burnai River in Pedamaran Sub-Districts, OKI South Sumatra. The research method used field survey of case studies of four natural phenomena (swamp grass, bush swamp, pulai peatlands, and peat forest). The research resulted that the highest production and harvest of biomass came from peat forest, pulai peatland, bush swamp and swamp grass. The highest biomass supply to the soils were given by the peat forest, pulai peatland, bush swamp and swamp grass (around 12,545; 11,593; 7,491 and 5,313 kg/ha/year respectively). The more varied the vegetation type, the higher the supply of soil nutrients. Swamp grass and bush swamp have low vegetation diversity and are mostly dominated by alang-alang. Swamp grass and bush swamp showed the same pattern and the order of nutrient supply in the highest sequence is K, Ca, N, Mg, Ca, and P. The supply order of soil nutrients (peat forest and pulai peatland) showed a similar pattern, namely from the highest content of Ca, N, K, Mg and P. Pulai vegetation can be recommended for a paludiculture system because it resembles almost the peat forest in producing biomass and soil nutrient supply to the soils and is originally native plant from peatland.
Study of Water Requirements and Coefficient of Rice Crops (Oryza sativa L) in the Lebak Swamp Arjuna Neni Triana; Rahmad Hari Purnomo; Feldy Khalid
Jurnal Keteknikan Pertanian Vol. 9 No. 1 (2021): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.09.1.9-16

Abstract

Tujuan penelitian untuk mengetahui kebutuhan air dan koefisen tanaman padi di lahan rawa lebak. Metode penelitian yang digunakan pada penelitian ini adalah metode eksperimental dengan penyajian data secara deskriptif dalam bentuk tabel dan grafik. Parameter yang diamati meliputi kebutuhan air neto sawah untuk padi, nilai evapotranspirasi tanaman, nilai koefisien tanaman dan nilai perkolasi. Hasil penelitian menunjukkan bahwa kebutuhan air neto sawah berturut-turut adalah 3,26 mm/hari, 6,15 mm/hari dan 11,48 mm/hariHasil penelitian menujukkan bahwa kebutuhan air neto padi sawah bulan April sebesar 3,27 mm/hari, bulan Mei sebesar 11,71 mm/hari dan kebutuahan air padi bulan Juni 18,75. Kebutuhan air untuk tanaman padi dilahan rawa lebak selama masa tanam tidak sama setiap bulan. Pada bulan April sampai Juni berturut-turut adalah 3,26 mm/hari, 6,15 mm/hari dan 11,48 mm/hari. Pengukuran kebutuhan air awal tanam yaitu bulan April 3, 27 mm/hari, bulan Mei 11,71 mm/hari dilakukan Nilai evapotranspirasi aktual (ETc) dari fase pertumbuhan awal, fase vegetatif aktif, fase pembuahan, dan fase pematangan biji berturut-turut adalah 1,23 mm/hari, 2,57 mm/hari, 2,64 mm/hari dan 1,57 mm/hari, sedangkan untuk koefisien tanaman berturut-turut adalah 0,42; 0,89; 1,003 dan 0,62. Nilai evapotranpirasi dan koefisien tanaman terbesar terdapat pada umur pertumbuhan 31 sampai 65 hari atau fase pembuahan. Nilai perkolasi untuk setiap tahap pertumbuhan adalah 0,27 cm/hari, 3,24 cm/hari, 4,23 cm/hari dan 10,63 cm/hari.
Co-Authors Agus Hermawan Elisa Wildayana Feldy Khalid M Edi Armanto Momon Sodik Imanuddin Rahmad Hari Purnomo Sukardi Sukardi