Degradasi Lahan pada Kebun Campuran dan Tegalan di Kabupaten Dharmasraya

Syaf,rimen, Yasin and Gusnidaro , Dedy Iskandar (2014) Degradasi Lahan pada Kebun Campuran dan Tegalan di Kabupaten Dharmasraya. J. Solum Vol. IV No. I Januari 2007: 5-9 . ISSN 1829-7994

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Abstract

A research conducted in Sungai Rurnbai, Dhannasraya Regency and in Soil Laboratory Andalas university was aimed to evaluate soil ferrility status on tf," depth below 0-ZA cm from several land use Epes " espeeially under Mixed Garden and annual cultivated dryland soil. Soil sarnples were taken on Ultisol at 0-8o/o slope _(late-waving soil surface). iand use types evaluated were forest, annual cultivated dryland, bush land, rangeland covered b1, Impirata cylindrica and mixed garden. Composite soil samples for soil cheiricat analysis were taken on the 0-20 crn soil depth with four replications, and 5 drillings for each replication. Undisturbed soii stunpies by using szrnpie ring werc useti to imaiyze soi buik voiume. The tiaia resuiteti were compared to the criteria and were statistically tested using Analysis of Variance and then were continued by LSD at 5o./o level. From the results of analyies couJd be concluded that land use for mixed garden had the higher Organic Carbon (OC) content and the lower bulk volume iBlil than ftose for annuai csiti'..ated dry,land soii. Key Words: Degradasi Lohon, Kebun Carnpuran, Tegalan

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