sentences:  While "Jatropha curcas" starts yielding from 9–12 months time, the best yields are obtained only after 2–3 years time.The seed production is around 3.5 tons per hectare (seed production ranges from about 0.4 t/ha in the first year to over 5 t/ha after 3 years).If planted in hedges, the reported productivity of "Jatropha" is from 0.8 to 1.0 kg of seed per meter of live fence.