Can You add without Subtraction

Reorienting Agricultural Research for Sustainable Outcomes, Invited contribution in the First Agricultural Science Congress, National Academy Of Agricultural Sciences, Nov 12-14, 1992, IARI, New Delhi; published under the title, Can We Add Without Subtraction: Some Awkward Questions for Revitalizing Agricultural Research Strategies, in Proceedings of First Agricul¬tural Science Congress, Ed.Prem Narain, New Delhi, National Academy of Agricultural Sciences, 1993, pp.122-129