Sehgal, J.L. Mandal.D.K,Mandal.C & Vadivelu.S
AGRO-ECOLOGICAL regions of India / [by] J.L.Sehgal...[et al.] - 2nd ed. - Nagpur National bureau of soil survey & land use planning 1992 - 130 pages. - NBSS publ. 24 .
Includes appendix.
8185460159
Ecology
Agricultural ecology
577 / AGR
AGRO-ECOLOGICAL regions of India / [by] J.L.Sehgal...[et al.] - 2nd ed. - Nagpur National bureau of soil survey & land use planning 1992 - 130 pages. - NBSS publ. 24 .
Includes appendix.
8185460159
Ecology
Agricultural ecology
577 / AGR