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Collections Organic Roots Collection Remove constraint Organic Roots Collection: Organic Roots Collection Subjects geographical distribution Remove constraint geographical distribution: geographical distribution Subjects Wheat Remove constraint Wheat: Wheat Subjects cultivars Remove constraint cultivars: cultivars Authors Clark, J. Allen (Jacob Allen) , 1888- Remove constraint Clark, J. Allen (Jacob Allen) , 1888-: Clark, J. Allen (Jacob Allen) , 1888-

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1. The hard red spring wheats

Author:: Clark, J. Allen (Jacob Allen) , 1888- , Martin, John H. (John Holmes) , 1893-
Subject:: Wheat , varieties , variety trials , cultivars , small grains , plant cultural practices , geographical distribution
Physical description:: 28 p. : ill., maps ; 23 cm.
Additional Author(s):: Clark, J. Allen (Jacob Allen) , 1888-Martin, John H. (John Holmes) , 1893-
Collection:: Organic Roots Collection
Series:: Farmers' bulletin

2. The hard red winter wheats

Author:: Clark, J. Allen (Jacob Allen) , 1888- , Martin, John H. (John Holmes) , 1893-
Subject:: Wheat , varieties , variety trials , cultivars , small grains , plant cultural practices , geographical distribution
Physical description:: 10 p. : ill., 1 map ; 23 cm.
Additional Author(s):: Clark, J. Allen (Jacob Allen) , 1888-Martin, John H. (John Holmes) , 1893-
Collection:: Organic Roots Collection
Series:: Farmers' bulletin