‘Pyrethrum’ 검색 결과

Pyrethrum, the natural insecticide

International Symposium on Recent Advances with Pyrethrum the Natural Insecticide University of Minnesota 1972., 1973

Pyrethrum flowers

Charles B. Gnadinger, 1933 / 판 3개

Silicated pyrethrum soap from coconut oil

E. R. Van Leeuwen, 1934

Pyrethrum

John E. Casida, 1974 / 판 2개

Pyrethrum flowers

John E. Casida, 1995 / 판 2개

Pyrethrum

John Casida, 2012

Pyrethrum

S.R.J. Robbins, Tropical Development and Research Institute, 1984

Pyrethrum

M. S. Lowman, 1952

Pyrethrum

Joseph M. Ginsburg, 1933

Pyrethrum Flowers

C.B. Gnadinger, 2002

Harvesting pyrethrum

A. F. Sievers, 1941

Pyrethrum flowers

Charles B. Gnadinger, Robert Hale Nelson, 1975

Pyrethrum in Japan

Supreme Commander for the Allied Powers. Natural Resources Section, 1947

Pyrethrum flowers. Supplement ... 1936-1945 ..

Charles B. Gnadinger, 1945

Smallholder pyrethrum survey

S. M. Machooka, 1981

Production physiology of pyrethrum

D. T. Ehrensing, 1985

Pyrethrum bibliography, 1850-1950

A. W. Scholl, 1953

Pyrethrum Flowers, 1945-1972

Postwar market situation for pyrethrum

United States. Office of Foreign Agricultural Relations. Technical Collaboration Branch, 1945

Dahlias, delphiniums, gaillardia, pyrethrum, tritomas

Clifford E. White (Firm), 1925