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Rismaneswati
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science

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ANALISIS KORELASI INDEKS KESESUAIAN LAHAN DENGAN PRODUKTIVITAS TEBU (STUDI KASUS: PERKEBUNAN TEBU ARASOE, KABUPATEN BONE): Correlation Analysis of Land Suitability Index with Cane Productivity (Case Study: Arasoe Cane Plantation, Bone District) miranti, andi isra; Rismaneswati; Nathan, Muhammad
Jurnal Ecosolum Vol. 9 No. 2 (2020): DESEMBER
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v9i2.8420

Abstract

Sugarcane (Saccharum Officinarum L) is one of the potential plants and has sufficient economic values with an important role as a source of economic growth in Indonesia. Sugarcane land suitability index in Arasoe, Bone. Sugarcane plantations using a parametric approach and analyzing the relationship between land characteristics and sugarcane production at the study location. This research was performed in 9 (nine) unit lands produced from overlapping slope maps, soil type maps, and PT Arasoe sugarcane map with sugarcane production high (> 50 tons/ha), moderate (40-30 tons/ha), and low (<30 tons/ha). This research took place between July - November 2019. To calculate the land suitability index (IKL) used the parametric method with the Khiddir equation (1986), to evaluate the relationship between IKL and sugarcane productivity using Pearson correlation analysis. Research shows that the value of IKL ranges from 31.56 to 42.43 and classified according to marginal (S3) with limited factors are climate and base saturation. The relationship between IKL and sugarcane productivity was statistically significant as evidenced by the Pearson correlation coefficient r> 0.4 (p <0.05) which showed that along with the increase in IKL, sugarcane productivity also increased significantly.
SIFAT FISIK TANAH YANG MEMENGARUHI KEJADIAN LONGSOR DI MAKALE SELATAN: The Physical Properties of Soil that Affected the Landslide Event in South Makale Patandung, Tania; Ahmad, Asmita; Rismaneswati
Jurnal Ecosolum Vol. 9 No. 2 (2020): DESEMBER
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v9i2.8952

Abstract

The soil susceptibility increases in line with decreased soil stability and the ability of soil to pass water which, affected by the soil's physical characteristics. The research aims to analyze the physical properties of soil that affected landslide events in South Makale. This research using the method of comparative analysis by comparing the soil characteristic in the landslide and non-landslide areas. The soil has 6 class textures namely silt loam, loam, clay loam, silty clay loam, silty clay, and sandy clay loam. Soil Permeability ranges 0.22-6.98 cm/h (slowly-rather quickly). On the non-landslide areas, soil permeability is relatively low with values of 0.55 to 0.72cm/hour. The soil liquid limit value on the landslide area reached the value max of 67.7%, with the plasticity index value max 21.77%. The liquid limit in the non-landslide area reached a value max of 45.0% with a plasticity index value max 8.56%. Soil with silt and clay fraction dominant have a relationship with the landslide event. Soil with the silt and clay fraction dominant causes a decrease in the permeability value and affects the increase in liquid limit value and soil plasticity index.
Co-Authors Asmita Ahmad miranti, andi isra Muhammad Nathan Patandung, Tania