Myth. Jatropha plantation is not harmful to soil.

Fact. Like many weedy species Jatropha Allelochemicals are harmful for
soil specially in case of monoculture. There are research works
showing harmful effects of Jatropha Allelochemicals on Indian crops
like Pigeonpea. These Allelochemicals are harmful to native flora
specially microflora. Large scale plantation may result in negative
impact on soil. Without evaluating harm causing potential of Jatropha
green signal is given for its plantation. Wasteland where Jatropha
plantation is in progress, supports lives of billions of microflora
and fauna. Negative impact on it means direct impact on ecosystem.