01306nam a2200337 4500 DLU100106728 ##20100420 ##971021s1997 dcua b 001 0 eng 97045268 0309058937 (cloth) (DLC) 97045268 DLC DLC DLC S494.5.P73 P73 1997 338.16 Pre Precision agriculture in the 21st century : geospatial and information technologies in crop management / Committee on Assessing Crop Yield--Site-Specific Farming, Information Systems, and Research Opportunities, Board on Agriculture, National Research Council. Precision agriculture in the twenty-first century Washington, D.C. : National Academy Press, 1997. xii, 149 p. : ill. ; 24 cm. Includes bibliographical references (p. 120-132) and index. Precision farming. National Research Council (U.S.). Committee on Assessing Crop Yield: Site-Specific Farming, Information Systems, and Research Opportunities. 02/2010 4470 DLU True Đào Thị Thu Huyền G A SH Thư viện Trường Đại học Đà Lạt