Browsing J - Agriculture by Author "Fahrunsyah, Fahrunsyah"
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Improvement of some chemical properties of an Ultisol of East Kalimantan through application of combined coal fly ash and oil palm empty fruit bunch
Fahrunsyah, Fahrunsyah; Kusuma, Zaenal; Prasetya, Budi; Handayanto, Eko (Bioscience Research, 2018-08-06)Coal fly ash and oil palm empty fruit bunch are industrial wastes that enormously available in areas of East Kalimantan dominated by Ultisols with poor soil chemical properties. The objective of this study was to explore ... -
PENINGKATAN EFISIENSI PEMUPUKAN FOSFOR PADA ULTISOL DENGAN MENGGUNAKAN ABU TERBANG BATUBARA
Fahrunsyah, Fahrunsyah; Mulyadi, Mulyadi; Sarjono, Agus; Darma, Surya (Jurnal Tanah dan Sumberdaya Lahan, 2021-01-14)Ultisol is one type of soil that has a very wide distribution in Indonesia, but the use of this soil faces many obstacles. The main problem in ultisol utilization is the low availability of phosphorus (P) and the low ... -
Utilization of Coal Fly Ash and Oil Palm Empty Fruit Bunch Compost to Improve the Uptake of Soil Phosphorus and Yield of Maize Grown on Ultisol
Fahrunsyah, Fahrunsyah; Kusuma, Zaenal; Prasetya, Budi; Handayanto, Eko (Journal of Ecological Engineering, 2019-07-06)The study aimed at elucidating the utilization of coal fly ash and oil palm empty fruit bunch compost to improve the soil phosphorus uptake and yield of maize grown on Ultisol. The investigation was carried out in a ...