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All Journal Journal of Tropical Soils Manajemen Bisnis Kompetensi Planta Tropika Jurnal Ilmiah Universitas Batanghari Jambi Syntax Literate: Jurnal Ilmiah Indonesia Journal of Economic, Bussines and Accounting (COSTING) Agrin : Jurnal Penelitian Pertanian Dinamika Journal : Pengabdian Masyarakat Community Engagement and Emergence Journal (CEEJ) Enrichment : Journal of Management Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Ilmu Manajemen Terapan (JIMT) Ideguru: Jurnal Karya Ilmiah Guru International Journal Of Science, Technology & Management (IJSTM) Jurnal Cahaya Mandalika Jurnal ABDIMAS (Pengabdian kepada Masyarakat) UBJ International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat Journal of Social And Economics Research Journal Research of Social Science, Economics, and Management Innovative: Journal Of Social Science Research Jurnal Penelitian dan Pengabdian Masyarakat Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Journal International Journal of Teaching and Learning (INJOTEL) Maneggio journal of social and economic research Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Journal of Multidisciplinary Academic and Practice Studies
Saparso Saparso
Program studi Agroteknologi, Fakultas Pertanian, Universitas Jenderal Soedirman, Purwokerto
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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Journal : Journal of Tropical Soils

 1 
Dynamics of Soil Moisture under Different Water Levels and Various Dosages of Organic Fertilizer Nur, Subandi; Suwarto, Suwarto; Saparso, Saparso; Djatmiko, Heru Adi
JOURNAL OF TROPICAL SOILS Vol. 25 No. 3: September 2020
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2020.v25i3.157-164

Abstract

The study aimed to determine the dynamics of soil moisture in various standing water levels and dosages of organic fertilizer. The experiment was arranged in a Completely Randomized Block Design (CRBD) with a 3 × 3 factorial treatment in 3 replicates. The first factor was 3 different water levels, namely 10 cm (T1), 20 cm (T2), and 30 cm (T3). The second factor was 3 levels of dosages of organic fertilizer, namely 0 g pot-1(P1), 35 g pot-1 (P2), and 70 g pot-1 (P3). The highest of soil moisture was obtained in the 10 cm water levels and 70 g organic fertilizer (T1P3) and the lowest in the 30 cm water levels and without organic fertilizer (T3P1). The highest infiltration rate was obtained in the 30 cm water levels and 70 g pot-1 organic fertilizer (T3P3), the 30 cm water levels and 35 g pot-1 organic fertilizer (T3P2), the 20 cm water levels and 70 g pot-1 organic fertilizer (T2P3), and the lowest in the combination of the 10 cm water levels and without organic fertilizer (T1P1). The highest capillary rate was obtained in the combination of the 30 cm water levels and 70 g organic fertilizer (T3P3) and the lowest in the combination of the 30 cm water levels and without organic fertilizer (T3P1).
Karakterisasi berbagai Jenis Bahan Lapisan Kedap, Ketebalan dan Nisbah Bentonit dengan Pasir: Konsep Dasar Pengelolaan Lahan Pasir Pantai Saparso, Saparso; Tohari, Tohari; Shiddieq, Dja’far; Setiadi, Bambang
JOURNAL OF TROPICAL SOILS Vol. 14 No. 2: May 2009
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2009.v14i2.167-176

Abstract

Characterization of Various Kinds, Thickness and Bentonite Sand Ratio as Hardplain Materials: a Basic Concept for Coastal Sandy Land Management (Saparso, Tohari, D. Shiddieq, and B. Setiadi): Coastal sandy land development  faces  the sand characteristics, the lower holding water capacity and the larger nutrient leaching due to heavier rainfall in the tropics, soil porosity  and without soil layering so it need alternative technology  for  more efficient  harvesting water resources in  supporting  the crop growing. The  laboratory research studied the characteristic of various kind, thickness and ratio of hardplain material was carried out at Laboratory of Agronomy of UNSOED,  Soil Mechanic of GMU.  the SEM and X-RD of  Lemigas Jakarta. Permeability determination by Falling Head which is appropriate measurment  was not significantly different with ELE28-290 permeameter. Permeability of Kokap clay soil and  Nanggulan bentonite were larger than the  rainfall intensity in coastal sandy land.  The Sentolo Vertisol content 68% calcium smectite had permeability 3,7 mm.day-1.  Bentonite permeability were not significantly different due to more than 80% clay mineral composition. Therefore the permeability of natrium bentonite like as  BPIB and  BLUB namely  1.4 x 10-2 and 10-2  mm day-1 were lower than the calcium bentonite like as RMBL and BLBK  permeability namely  4.3 x 10-2  and  2.43 x 10-2 mm day-1. Permeability of 0.5 cm thickness bentonite was not  significantly different than 1.0 dan 1.5 cm thickness and those had very low permeability. Bentonite sand mixture 15 and 20 percent produced bentonite sand agregate  that  had  mesopores by which allowing the drainage and available soil water so that those had water permeability 13.7 dan  10.3 mm day-1 respectively.  The mixture 30-100%  had not significantly different permeability namely 7.3 x 10-2  up to 1.4 10-2 mm day-1. The combination of tickness and the low ratio of  bentonite sand mixutre need to be determined to produce favourable environment in supporting  the plant growth.
Co-Authors Adrie Frans Assa Amelinda, Rita ANDI WIBOWO Angela, Margaret Caroline Anggita, Riris Anton Prasetyo Aqmarina, Aqmarina Ari Handriatni Arief Sudarmaji, Arief Bambang Setiadi Bambang Siswanto Budi Haryono C. Tarumingkeng, Rudy Dewi Hanna Sri Wahyuli Siahaan Dwi Murwani, Elika Dwi Muwarni, Elika Febriansyah, Juan Ponce Enrile Feliciana, Feliciana Ginting, Imbri Fernando Gunardi , Wani Devita Haryono, Budi Hendrik, Hingrida Margarita Anastasia Heri Ariadi Heru Adi Djatmiko Hery Winoto TJ Ismangil, Ismangil Istiqomah, Sarah Nabila Ita Christine Mergiwati Iwani, Amy Junaedi, Mahbub Khavid Faozi Khavid Faozi Lizardo, Jimmy Lorenza, Bella Melitina Tecoalu Murwani, Elika Dwi Musthafa, M. Bachtiar Nur, Subandi Pasaribu, Monica Widya Priswanto Priswanto, Priswanto Purnama, Eka Dest purnando, Hengki Rafsanzani, Mahdy Ardy Randi, Mohammad Jusuf Rif'an, Muhamamad Rif'an, Muhammad Rini Putri Utami Riruma, Olfien Rostaman Rutan Gunawan, Toto Sajuri, Sajuri Samego, Bony Sarah Prasasti Septiana, Diana K Setiawan, Monica Audina Shiddieq, Dja’far Silalahi, Haposan Januari Siswanto, David Jefry Soegeng Wahyoedi Sormin, Maduma Stefanie, Nadia Cecilia Sucipto, Peni Sudarmaji, A. Supriyanto Supriyanto Susanto, Niken Hapsari Arimurti Suwarto Suwarto Syarifah, Kharirotus Tamam, Ibnu Tarigan, Krisnawati Tarumingkeng, Rudy C Taufiq, Ibnu Jafar Teecoalu, Melitina Tohari Tohari Trifosa, Ni Made Gracia Vilomina Rosalia De’vega Renwarin Wahyudin, Arif Widjaja, Daniel Wijaya, Endri Winoto, Herry Yusriani, Yusriani