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Journal : Jurnal Pertanian Kepulauan

Karakteristik Tanah Di bawah Tegakan Sagu pada Berbagai Kondisi Genangan di Kecamatan Taniwel Timur Kabupaten Seram Bagian Barat Arman Sanusi; Marcus Luhukay; Husein Salampessy
JURNAL PERTANIAN KEPULAUAN Vol 4 No 2 (2020): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (745.341 KB)

Abstract

Soil characteristics in sago land show hydro-morphic character as well as gleization symptoms because it is periodically influenced by wet and dry conditions. Differences in soil characteristics formed are observed under sago stands in different inundation conditions and their effect on the units of soil formed. This study aims to identify the characteristics of the soil under the sago stand in various conditions of inundation. The survey and sampling were conducted at four sample locations and observed three different environmental conditions: not inundated, permanently inundated, and temporarily inundated. The results showed that there were significant differences between the four research sample locations, both soil and hydrological parameters, such as the number of layers, soil texture, soil color, pH, soil consistency, organic matter, and inundation conditions. This characteristic affected the soil under the sago standing environment. The condition of the depth of groundwater was rather deep, and the inundation was temporarily stagnant. Thus according to the observations, there was not too significant a difference from the soils; only differences in the production of sago plants were found.
Karakteristik Fisik, Kimia dan Mineral Tanah Di Lokasi Kampus IAIN- Ambon Kecamatan Sirimau Kota Ambon Anggi Asafita Lattupeirissa; Marcus Luhukay; Robby G Risamasu
JURNAL PERTANIAN KEPULAUAN Vol 6 No 2 (2022): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (238.345 KB) | DOI: 10.30598/jpk.2022.6.2.72

Abstract

The aims of this study was to identify morphological characteristics, clay mineral composition and soil similarity index between two soil profiles at the IAIN campus. The results showed that soil color characteristics of soil layers of both soils are different. Both soil profiles have deep solums with loam to sandy loam texture distribution. The increasing of clay content in the B horizon of both soil profiles is still weak as indicated by the present of a Bw (kambik) horizon. Soil structure is a subangular blocky with fine to coarse sizes and weak to strong structural development. Soil consistency is slightly sticky to sticky. Cation exchange capacity is very low as indicated by low Ca dan Na, medium to high Mg and high Na soil exchangeable cations. The dominant clay mineral in both soil profiles is kaolonit, which is formed by unwell-consolidated weathering materials mixed with weathering-resistant quartz. The silt/clay ratio and CEC values shows similarity between layers between both profiles, however, the Ca/Mg ratio shows dissimilarity. The soil type in both soil profiles is district Kambisol (Typic distrudepts) categorized as a developed soil
Analisis Perbandingan Indeks Kemiripan Tanah pada Topsekuens Granit Gunung Sirimau Kota Ambon Umanailo, Irmanji; Risamasu, Robby G; Puturuhu, Ferad; Luhukay, Marcus
JURNAL PERTANIAN KEPULAUAN Vol 9 No 2 (2025): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2025.9.2.106

Abstract

This study aims to identify and describe soil morphological traits in the granite toposequence and analyze these traits to assess the similarity index between soil profiles. This study used a survey method involving transect observations and complete profile observations. Variable soil observations were made in a downward direction, following each change in slope segment on the granite toposequence. The results showed that Cambisol (Dystrudepts) soils developed with physical and chemical properties on three profiles for soil color ranging from yellowish brown to brownish yellow and yellowish red to red. The soil texture ranges from loamy sand to dusty clay, and the soil structure is rounded cubical. The soil has an acidic to slightly acidic pH and a slightly sticky consistency when moist and very low to low C-organic content. The similarity index assessed in the three profiles includes parameters such as dust/clay ratio, pH H₂O, and C-organic, which are very similar due to the similarity of the constituent rock formations.