Biological and technical constraints on crop and animal productivity :
report on a dialogue, July 10-11, 1989 /
edited by Vernon W. Ruttan.

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Related Names
Ruttan, Vernon W.
Language(s)
English
Published
St. Paul, Minn. : Dept. of Agricultural Economics, University of Minnesota, Institute of Agriculture, Forestry and Home Economics, [1989]
Subjects
Agricultural productivity.
Note
"November 1989"--Cover.
Physical Description
95, 2, 2, 2 p. ; 28 cm.
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