Author(s):

Santosh Prasad, Diwakar Prasad Nirala, Animesh Sinha, Jai Kumar and Phallo Kumari

Abstract: <em>Jatropha curcas</em> L. has the potential to become one of the world’s key energy crops. Present study deals with agronomic trials pertaining to find out best agronomy practices with respect to irrigation and fertilizer for optimizing <em>Jatropha</em> seed production and their oil percentage. The experiment was conducted at Nagri field 7 Km away from IFP, Lalgutwa. Oil was extracted from the seeds which are obtained from 3 years old plant. Three times fertilizer application added with sulphur was screened out as best treatment for higher production of seeds of Jatropha. Solvent extraction techniques were used for oil extraction. Sulphur containing gypsum played an important role in increasing the yield and oil percentage in seeds of T₅ treatment which is in conformity with the results of earlier works. The effect of sulphur on number of fruits plant^-1and number of seeds fruit^-1 was found significant when gypsum was applied.

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