Improvement of Methane Emission Rate and Carbon Sequestration by Intercropping System and Organic Fertilizer Application Technique on Jatropha

Abstract

Production of Jatropha for biodiesel as renewable bioenergy can be increased by fertilization merthods. Substitution of chemical fertilizer with organic fertilizer should consider methane (CH4) emissions. In this study the rate of methane (CH 4) emission from Jatropha cake compost (-0.99 CH4/m2/hour) and peamens intercrops (-0.62 CH4/m2/hour) is lower than urea fertilizer (-0.04 CH4/m2/ hour). Carbon sequestration is a reference to reflec CO reducing concentration in the atmosphere. Application of urea fertilizer showed higher carbon uptake (13.62 ton C/ha/year) compared to fertilizer application (12.83 ton/C/ha/year) and Jatropha cake compost (11.09 ton C/ha/)year). However, the productivity of Jatropha from the Jatropha cake compost application (152 kg/ha/year) and intercrops (14 7.1 kg/ha/year) application was higher than urea fertilizer (147 kg/ha/year).