Pyrethrum flowers
Gnadinger, C B
Pyrethrum flowers - 2nd - Minneapolis: Mclaughlin Gormley King Co., 1933 - xvi, 380p.
Agriculture
Ground Pyrethrum Chemical methods
632.951 / H5
Pyrethrum flowers - 2nd - Minneapolis: Mclaughlin Gormley King Co., 1933 - xvi, 380p.
Agriculture
Ground Pyrethrum Chemical methods
632.951 / H5