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Agricultural productivity : expanding the limits


Author:
Lu, Yao-chi and Quance, Leroy
Source:
USDA
Year:
0000
Subject:
Agricultural productivity
Format:
11 p. : ill. ; 26 cm.
Language:
English
Publisher:
U.S. Dept. of Agriculture, Economics, Statistics, and Cooperatives Service
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/CAT87209994