634.99
R165S
           Rama Krishnan, P S
               Shifting agriculture and sustainable development an interdisciplinary study from North-Eastern India \ P S Rama Krishnan - Paris : UNESCO, 1993.
               xvii, 424p. - Man and the biosphere series/ ed by J N R Jeffers; v. 10 .
                ISBN: 0-19-563312-1

132149
                Subjects: Agricultural ecology-India, Northeastern; Soil fertility-India, Northeastern; Landuse-India, Northeastern; Nutrition-India, Northeastern.