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Anand Vadivelu, G and Wani, S P and Bhole, L M and Pathak, P and Pande, A B (2001) An Empirical Analysis of the Relationship between Land Size, Ownership, and Soybean Productivity- New Evidence from the Semi-Arid Tropical Region in Madhya Pradesh, India : Natural Resource Management Program Report no. 4. Monograph. International Crops Research Institute for the Semi-Arid Tropics , Patancheru, Andhra Pradesh, India.