1. Sequential adoption of site-specific technologies and its implications for nitrogen productivity: a double selectivity model Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Khanna, Madhu (author) Format: Journal article Publication Date: 2001-02 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 120 Document Number: C13689 Journal Title: American Journal of Agricultural Economics Journal Title Details: 83(1): 35-51 Notes: 17 p
