I hav completed mech engg & exp. of 3yrs in O&M . I want to switch to Sustainable Agriculture & Environments. Ready to study more, Pz guide

I lov nature n ready to move to rural area. Want to start my own firm with sustainable technology.Currently working as engg mngr. Will it be OK to move for higher education(M.Tech in Environmental)? I dnt have money & land to invest in agriculture and want to earn 25k-30k/month in next two year.