ANALISIS KUALITAS TANAH PADA LAHAN TEGALAN BERPASIR DI DAS MIKRO SUPITURUNG, KABUPATEN KEDIRI, JAWA TIMUR

Authors

  • Mochamad Fikri Kurniawan Brawijaya University
  • Mochtar Lutfi Rayes Universitas BRawijaya
  • Christanti Agustina Universitas Brawijaya

DOI:

https://doi.org/10.21776/ub.jtsl.2021.008.2.23

Keywords:

analysis, indicators, minimum data set (MDS), sandy dry lands, soil quality index

Abstract

Soil quality is the ability of soil that plays a role in maintaining plant productivity, preserving and maintaining water availability and supporting human activities. Soil quality assessment is measured based on indicators that describe important soil processes based on the physical, chemical and biological properties of the soil. The level of soil quality in a plot of land is assessed based on the soil quality index. This research was conducted from August to December 2020 in the Supiturung Micro Watershed, Kediri Regency, East Java using a graphical survey method based on the Land Map Unit. Soil samples were taken at a depth of 0-20 cm at each observation point (20 points) for analysis in the laboratory. Soil quality indicators are determined based on key soil properties with the Minimum Data Set (MDS) method, with soil quality indicators from soil physical properties including texture, bulk density, porosity and soil chemical properties including pH, available-P, exchangeable-K, total-N, organic-C. Soil quality index was calculated by weighting soil quality indicators with criteria which divided into 5 classes, i.e. (i) very low class (0.00-0.19), (ii) low (0.20-0.39), (iii) moderate (0.40-0.59), (iv) good (0.60-0.79) and (v) very good (0.80-1.00). The results showed that the soil in land unit 2 had different limiting factor values on the percentage of sand and dust from the soil texture, the total-N content of the soil and the organic-C content of the soil which caused differences in soil quality. There are two indicators of soil quality, namely the percentage of dust from the soil texture and the total N content of the soil which has the most influence on the soil quality index.

Author Biography

Mochamad Fikri Kurniawan, Brawijaya University

Program Sarjana

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Published

01-07-2021

How to Cite

Kurniawan, M. F., Rayes, M. L., & Agustina, C. (2021). ANALISIS KUALITAS TANAH PADA LAHAN TEGALAN BERPASIR DI DAS MIKRO SUPITURUNG, KABUPATEN KEDIRI, JAWA TIMUR. Jurnal Tanah Dan Sumberdaya Lahan, 8(2), 527–537. https://doi.org/10.21776/ub.jtsl.2021.008.2.23

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