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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
- Author:
- Piper, Charles V. (Charles Vancouver) , 1867-1926
- Subject:
- Green manure crops , Legumes , legumes , green manures , nitrogen fixation , soil inoculation , soil nutrients , soil fertility , nitrogen , cover crops , orchards , crop rotation , cowpeas , Trifolium pratense , Mucuna pruriens var. utilis , Trifolium incarnatum , Vicia cracca subsp. cracca , Vicia villosa , Lathyrus tingitanus
- Physical description:
- 27 p. : ill. ; 23 cm.
- Additional Author(s):
- Piper, Charles V. (Charles Vancouver) , 1867-1926
- Collection:
- Organic Roots Collection
- Series:
- Farmers' bulletin
- 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
