Pyrethrum flowers:
Gnadinger, C B
Pyrethrum flowers: - 2nd - Minneapolis: Mclaughlin Gormley King Co., 1945 - xiv, 690p.
Agriculture
Ground Pyrethrum Chemical methods
632.951 / H5
Pyrethrum flowers: - 2nd - Minneapolis: Mclaughlin Gormley King Co., 1945 - xiv, 690p.
Agriculture
Ground Pyrethrum Chemical methods
632.951 / H5