Volume No. 7 Issue No.: 3 Page No.: 1165-1173 Jan. - Mar.2013

 

EVALUATION OF LAND SUITABILITY AND POTENTIAL PRODUCTION OF JATROPHA (Jatropha curcas L.) : A BIODIESEL RESOURCE IN SOLOK REGENCY, WEST SUMATRA, INDONESIA

 

Juniarti*, Harianti Mimien, Chan Almughfirah, Darfis Irwan, Emalinda Oktanis1, Masuda Taizo, Nishimura Kazuyuki and Itani Tomio2

1. Department of Soil Sciences, Faculty of Agriculture, Andalas University, Padang (INDONESIA) 2. Faculty of Life and Environmental Sciences, Prefectural University of Hiroshima, Nanatsuka, Shobara (JAPAN)

 

Received on : August 10, 2012

 

ABSTRACT

 

Jatropha (Jatropha curcas L.) is a multipurpose, tropical plant with many favorable attributes and considerable potential. In particular, it can be grown as a commercial crop in low to high rainfall areas. In order to predict production potential of Jatropha (Jatropha curcas L.) in Solok Regency, West Sumatra, Indonesia. The climatic data, soil conditions and land management were investigated in this study. The soil samples were taken at depths 0-60 cm. Land suitability was evaluated using a method of Food and Agriculture Organization (FAO) of the United Nations. Quantitative model which combines environmental, climatic and soil condition data, so that production potential of an area based on climate, Climate Production Potential (CPP) can be measured quantitatively. By entering the real data on plant production into the model, The Real Field Plant Production or Land Production Potential (LPP) can be predicted. The results show that climate in Solok district are very suitable (appropriateness level S1) for growing Jatropha, and physical land conditions included S3f. Chemical fertilizer and organic matter should be applied to improve the production potential from the current 36-144 t ha-1 year-1 to > 187 t ha-1 year-1.

 

Keywords : Climatic Production Potential(CPP), Land Production Potential(LPP), Land Suitability(LS), Radiation Production Potential(RPP), Chemical fertilizer

 

 

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