DEGRADASI LAHAN PADA BERBAGAI TANAMAN PERKEBUNAN DI KABUPATEN DHARMASRAYA SUMATERA BARAT



DOI: https://doi.org/10.25077/js.2.1.34-39.2005

Syafrimen Yasin *  (Soil Science Department Agriculture College, Andalas University)
Herviyanti Herviyanti (Soil Science Department Agriculture College, Andalas University)
David David

(*) Corresponding Author

Abstract


A reseach about determination land degradation on several plantation ecosystems in Dharmasraya Regency, West Sumatra. This research was aimed to study types of perennial crops (trees) which contributes to alleviate land degradation. The work was conducted in Sungai Rumbai Dystrict, Dharmasraya regency and in Soil Science Laboratory, Agriculture Faculty Andalas University. Soil samplings were taken at Ultisols having 0-8% slope (flate-undulating). Land use type being considered was original forest, oil palm, rubber, coffee, and cocoa plantation. Composite soil samples were taken for four replications on 1-20 cm depth. At each sampling site was accompanied by five drilling soils. Then, four undisturbed soil was also sampled at the same depth with disturbed soil samples for determining soil bulk density values. The data collected were analyzed statistically by using analyses of variance, and then continued by using Least Significant Difference (LSD) at 5% level. The result showed that rubber and cacao plantation contributed to better soil ecology value than oil palm and coffee land use. It could be proved from organic carbon (OC) and bulk density (BV) of the soils which were alsmost the same as those from forest land use.

Key Words: Land degradation, plantation crops
Copyright (c)


Full Text:

PDF

References


Brady, N.C and R.R. Weil. 1999. The nature and properties of soils. 12nd edition. Pentice Hall. New jersey.

Guggenberger, G., Christensen, B. T. and Zech, W. (1994) Land used effects on the composition of organic matter in particle size separates of soils: I. Lignin and carbohydrate signature. European journal of soil Science, 45:449-458.

______________., Zech, W., and Thomas, R.J. (1995) Lignin and carbohidrat alteration in particle size separates of an oxisol under tropical pastures following native Savanna. Soil Biology and Biochemistry, 27:1629-1638.

Hakim, N., S.Yasin, dan Agustian. 1987. Liming, fertilizing, and using of crop residues for upland rice, maize and soybean in intercropping system on Podzolik. Interim report. FAO. Wina.

Sanchez, PA. 1993. Sifat dan pengelolaan tanah tropika. Penerbit ITB. Bandung. 51-52 hal.

Soembroek, W.G., Nachtergale, F.O., and Hebel, A. 1993. Amount, dynamics and sequestering of carbon in tropical and sub-tropical soil. Ambio. 22.

Tan, K. H. 2001. Environtmental Soil Science. Marcel Dekker, Inc. New York.

Yasin, S. 1987. Evaluasi kesuburan kimia tanah Podzolik setelah lima tahun pengusahaan tanaman pangan. Jurnal Andalas

_______ 1991. Pengapuran dan pemupukan berimbang pada podzolik Jurnal Andalas

_______ 2001a. Water and nutrient dynamic three micro-catchments Under montane forest. In ther South Ecudorian Andes. Bayreuther Bodenkunlihce Bericht Germany ISSN. 0931-6442

_______ 2001b. Change in water quality during the passage through a Tropical montane forest in South Ecuador J.Biogeo chemistry Nederland.


StatisticsArticle Metrics

This article has been read : 1292 times
PDF file viewed/downloaded : 28 times

Copyright (c)



ISSN: 2356-0835