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Do sunspot cycles affect crop yields?


Author:
Harrison, Virden L., United States, Department of Agriculture, and Economic Research Service
Source:
USDA
Year:
0000
Subject:
Crop yields and Sunspots
Format:
iv, 23 p. : ill. ; 26 cm. -
Language:
English
Publisher:
Economic Research Service, U.S. Dept. of Agriculture
Series:
Agricultural economic report ; no. 327
Collection:
Rural Development Publications Collection
Permanent URL:
http://handle.nal.usda.gov/10113/CAT76674961