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Relation of Length of Photoperiod and Intensity of Supplemental Light to the Production of Flowers and Berries in the Greenhouse by Several Varieties of Potatoes


Author:
Werner, H.O.
Source:
USDA
Year:
1942
Format:
p. 257-274.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43969734