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Purple vetch


Author:
McKee, Roland
Source:
Farmers' bulletin (United States. Dept. of Agriculture) ; no. 967 1918
Year:
1918
Subject:
Vetch, climatic factors, plant physiology, forage crops, geographical distribution, hay, green manures, pasture plants, sowing, soil inoculation, direct seeding, limestone, calcium carbonate, harvesting, seed crop production, cleaning, seed productivity, yields, insect pollination, and insect pests
Format:
12 p. : ill., 1 map ; 23 cm.
Language:
English
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection