Soil characteristic for sustainable vegetables farming in Noongan Sub-watershed area, Minahasa North Sulawesi
Journal Title: International Journal of Farming and Allied Sciences - Year 2014, Vol 3, Issue 11
Abstract
The vegetable farming sustainability is influenced by soil quality. The objective of the research is to determine soils characteristics for vegetable farming in Noongan sub-watershed, Minahasa. Research was done by soil survey on land unit area and laboratory analysis. Among the identified 76 land unit area in Noongan sub-watershed, about 14 land unit areas were examined. The study found that land unit 11, 14, 32, 61 74 and 76 were classified into loam, land unit 15 was classified into clay loam, land unit 31 and 40 were sandy clay, land unit 69 was silty loam and land unit 44, 47, 48 and 49 were loam sandy. The soil permeability of land unit 11 and 15 were slow; land unit 32, 47, 48, 49 were medium; and land unit 31, 40, 44, 61, 69, 74 and 76 were slow to medium. The soil pH were ranging from 5.0 to 6.4. The organic carbon were ranging from 0.58 to 2.54 %. CEC were low, ranging from 7.64 to 24.80 me/100g. Base saturation was low, ranging from 12 to 52%. The Nitrogen contents were low (0.10 – 0.30 ppm). Phosphor was calculated about 1.36 to 46.27 ppm, Potassium was low (0.15 – 0.73 ppm). The actual potential of land can be classified into very suitable (S1) which found in land unit 14, marginal (S3) which found at land unit 11, 15, 40, 44, 47, 48 and 69, and not suitable which found at land unit 31, 32, 49, 61, 74 and 76.
Authors and Affiliations
Jody M. Mawara, Zaenal Kusuma, Sudarto and Abdul W. Muhaimin
Keywords
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