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Author:
Piper, Charles V. (Charles Vancouver) , 1867-1926 , McKee, Roland , 1880-
Subject:
Bur clover , cover crops , green manures , forage legumes , pasture plants , crop rotation , plant cultural practices , seed productivity , Trifolium lappaceum
Physical description:
15 p. : ill., 1 map ; 23 cm.
Additional Author(s):
Piper, Charles V. (Charles Vancouver) , 1867-1926McKee, Roland , 1880-
Collection:
Organic Roots Collection
Series:
Farmers' bulletin
Author:
Piper, Charles V. (Charles Vancouver) , 1867-1926 , Pieters, A. J.
Subject:
Green manuring , green manures , cover crops , nitrogen fixation , soil nutrients , soil fertility , nitrogen , legumes , soil inoculation , nitrification , soybeans , grasses , grain crops , tillage , soil pH , Trifolium lappaceum
Physical description:
45 p. : ill., 1 map ; 23 cm.
Additional Author(s):
Piper, Charles V. (Charles Vancouver) , 1867-1926Pieters, A. J.
Collection:
Organic Roots Collection
Series:
Farmers' bulletin

4. Vetches

Author:
Piper, Charles V. (Charles Vancouver) , 1867-1926 , McKee, Roland , 1880- , Hillman, F. H. (Fred Hebard) , 1863-1954
Subject:
Vetch , Vetch Seeds , cover crops , green manures , forage legumes , hay , seed collecting , pasture plants
Physical description:
28 p. : ill., 1 map, ; 23 cm.
Additional Author(s):
Piper, Charles V. (Charles Vancouver) , 1867-1926McKee, Roland , 1880-Hillman, F. H. (Fred Hebard) , 1863-1954
Collection:
Organic Roots Collection
Series:
Farmers' bulletin