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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Bumi Lestari Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management Journal of Innovation and Applied Technology Jurnal Pembangunan dan Alam Lestari Natural B Jurnal Teknik Pengairan: Journal of Water Resources Engineering Habitat Jurnal Penelitian Kehutanan Bonita Jurnal Triton Nusantara Science and Technology Proceedings
Zaenal Kusuma
Department Of Land, Faculty Of Agriculture, Universitas Brawijaya, Malang City 65145, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Social Sciences Veterinary Other

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Effect of Coffee Ages and Shade Types on Soil Moisture and Soil N, P, K Availability in UB Forest sa'diyah, zenny faridatus; Prijono, Sugeng; Suntari, Retno; Kusuma, Zaenal
JOURNAL OF TROPICAL SOILS Vol. 28 No. 2: May 2023
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2023.v28i2.39-45

Abstract

Water and nutrients is important for plant which has its characteristics. This study has been carried out in the UB (Brawijaya University) forest about soil moisture content during rainy and dry seasons, Total-N, -P, -K from litter on different types of shade and age of coffee plants, and their effect on soil Available-N, -P, and -K. There are P1 (control), P2 (4-year-coffee + pine), P3 (7-year-coffee + pine), P4 (4-year-coffee + mahogany), and P5 (7-year-coffee + mahogany). These treatments affected to total soil moisture storage, Total-N, -P, -K of litter, and Available-N, -P, -K in the soil. The soil moisture storage change between rainy and dry seasons was 36.97 mm. The highest Total-N, -P, and -K of litter was 11.00 kg ha-1 y-1 at P3, 1.06 kg ha-1 y-1 at P2, and 4.35 kg ha-1 y-1 at P3, which was inconsistently associated with high soil nutrients. The highest Total-N was 0.40 (0-20 cm), 0.27 (20-40 cm), 0.30% (40-60 cm) at P4, Available-K was 1.69 (0-20 cm), 1.64 (20-40 cm), 1.87 cmol kg-1 (40-60 cm) at P5, and Available-P was 15.21 (0-20 cm), 14.06 (20-40 cm), 12.64 mg kg-1 (40-60 cm) at P1.
Impact of Land Use on Soil Water Retention in Inceptisols of the Upper Konto Watershed Ermawati, Ermawati -; Kusuma, Zaenal; Wicaksono, Kurniawan Sigit
JOURNAL OF TROPICAL SOILS Vol. 29 No. 3: September 2024
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2024.v29i3.167-177

Abstract

The Upper Konto Watershed in Malang Regency is an area with various types of land use that have the potential to influence soil physical properties and soil water retention. Soil water retention is the ability of soil to absorb and retain water, which is closely related to the availability of water that plants can utilize. One of the soil types that dominate this region is inceptisol, which can face constraints in water retention, mainly when land use changes or inappropriate management practices occur. This study aims to analyze the impact of different types of land use on soil water retention characteristics in the Inceptisols of the Upper Konto watershed. The research method was conducted through field surveys and laboratory analysis. A survey was conducted on 16 Land Map Units (LMUs) derived from the overlay of land use, soil type, and slope maps. A total of 64 soil samples were collected for laboratory analysis. The observed variables included soil texture, bulk density, particle density, soil porosity, soil aggregate stability, soil organic matter, and soil water retention at pF 0, 2.5, and 4.2. The results revealed that land use types have a significant influence on soil physical properties as well as water retention characteristics. Specifically, it was found that forest land with the Udic Eutrandepts soil type had the highest water retention capability (0.39 cm3 cm-3). In comparison, dry farmland with the same soil type had the lowest water retention capability (0.06 cm3 cm-3). These findings illustrate the stark differences in the ability of soils to retain water between different land use types.
Temporarily degraded physical properties of pyroclastic materials from Mount Semeru: Can they be improved after reclamation with vegetation and indigenous microbes? Albarki, Georona Kusma; Sizilia, Vannya Julia; Kurniawan, Syahrul; Kusuma, Zaenal; Utami, Sri Rahayu
Journal of Degraded and Mining Lands Management Vol. 12 No. 5 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.125.8865

Abstract

The eruption of Mount Semeru in East Java released pyroclastic materials that damaged agroecosystems and degraded the soil physical properties. Pyroclastic materials tend to form surface crusts, leading to compaction and decreased permeability, which hinders soil recovery. To accelerate rehabilitation, adaptive vegetation and indigenous microbes were introduced to improve the physical properties of pyroclastic materials. This study aimed to assess the incorporation of indigenous microbes and adaptive vegetation in improving soil quality after an eruption. This study employed a factorial randomized complete block design with two factors: vegetation type, i.e., Napier grass (Vn), Centrosema sp. (Vc), and Indigofera sp. (Vi); and microbial application, i.e., without microbes (M0) and with indigenous microbes (M1). Soil bulk density, total porosity, permeability, available water content, and evapotranspiration were measured. The data were analyzed using ANOVA and LSD at 5% significance level, followed by regression and correlation analysis. The results showed that incorporating indigenous microbes with adaptive vegetation significantly increased total porosity, permeability, and available water content while decreasing bulk density and evapotranspiration. Specifically, the Napier grass with microbe treatment (VnM1) was most effective in reducing compaction, attributed to its extensive root system and enhanced microbial activity. This treatment improved water retention and provided a sustainable solution for rehabilitating pyroclastic materials, supporting long-term agricultural recovery after the eruption.
Co-Authors A.A. Ketut Agung Cahyawan W Albarki, Georona Kusma Amin Setyo Laksono Arif Mustakim Azan Asri Bagyo Yanuwiadi Bambang Rahadi Bambang Tri Raharjo Cahyo Prayogo, Cahyo Deni Ratnasari Desfryda, Elynca Putri Didik Suprayogo Dwinadella, Sephia Elvira Sari Dewi Endang Listyarini Erawati, Dini Rachma Ermawati, Ermawati - Guntoro, Wuwut Handono Kalim Imam Hanafi Indrawati Indrawati Istika Nita Kurniawan Sigit Wicaksono Kurniawan Sigit Wicaksono, Kurniawan Sigit Kusworini Handono Nihayati, Ellis Novalia Kusumarini Nuraeni Nuraeni Nurdiana Nurdiana Pratama, Mirza Zaka Putri, Choirinnisa Meilia Ayu Qowam Mutashim Maulana Renaldy Christian Siahaan Retno Suntari Runi Asmaranto sa'diyah, zenny faridatus Sari, Tita Luthfia Sena Rizki Triyudanto Siti Mechram Sizilia, Vannya Julia Soemarno Soemarno Soemarno Sri Rahayu Utami Sugeng Prijono Sugiyanto Sumarno Sumarno Syafrial Syafrial Syahrul Kurniawan Syekhfani, . Ulyan Khalif Wahono, Cesarius Singgih Wanti Mindari Wariunsora, Sisilia Wisnu Barlianto Yumna Yumna Zaiful Muqaddas