Botanical contributions.

Mode of access: Internet.

A bibliography of cyanide compounds used as insecticides, 1930 /

Mode of access: Internet.

California plants in their homes; a botanical reader for children ...

Bound with this: California plants in their homes, by Alice Merritt Davidson ... Supplement for use of teachers. Los Angeles, Cal., 1898.

The Acute toxicity of chlorinated hydrocarbon and organic phosphorous insecticides to livestock /

Cover title.

Bioassay of soil containing residues of chlorinated hydrocarbon insecticides : with special reference to control of Japanese beetle grubs /

Literature cited: p. 38-44.

Botanical descriptions of forty artificial pine hybrids /

Includes bibliographical references (p. 44-47).

Glossary of botanical terms commonly used in range research /

Contribution from Forest Service.

A digest of the literature of derris (deguelia) species used as insecticides, 1747-1931 /

Caption title.

Effects of weed control and fertilization on botanical composition and forage yields of Kentucky bluegrass pasture

Bibliography: p. 27-28.

A nomenclator of Gossypium : the botanical names of cotton /

Item 16.

Insecticides and equipment for controlling insects on fruits and vegetables /

Issued Nov. 1943 ; Slightly rev. 1945.

DDT and other insecticides and repellents developed for the armed forces /

"Interim report no. 0-100 (NRC Insect control committee Report no. 100). A report to the Committee on medical research on work done under a transfer of funds, recommended by this committee, from the Office of scientific research and development to the Bureau of entomology and plant quarantine."--Foot-note, p. 1.

Effects of certain insecticides in soil on crop plants /

Caption title.

Cotton yields with recommended and experimental insecticides, 1928-1958 /

"United States Department of Agriculture in cooperation with the South Carolina Agricultural Experiment Station."

Life and letters of Alexander Goodman More, with selections from his zoological and botanical writings;

Mode of access: Internet.