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Cover of Perennial vegetables by eric toensmeier

Perennial vegetables

By Eric Toensmeier

Cover of Rules and regulations of Bureau of Entomology and Plant Quarantine by united states. bureau of entomology and plant quarantine

Rules and regulations of Bureau of Entomology and Plant Quarantine

By United States. Bureau of Entomology and Plant Quarantine

Pest control by chemical, biological, genetic, and physical means

Pest control by chemical, biological, genetic, and physical means

By American Association for the Advancement of Science. Section on Agriculture. Meeting

Cover of Division of plant disease eradication and control, Barberry eradication by united states. bureau of entomology and plant quarantine

Division of plant disease eradication and control, Barberry eradication

By United States. Bureau of Entomology and Plant Quarantine

Cover of Tree-shelters (Handbook) by forestry commission

Tree-shelters (Handbook)

By Forestry Commission

Cover of Insecticides in Agriculture and Environment by albert s. perry,izuru yamamoto,isaac ishaaya,rika y. perry

Insecticides in Agriculture and Environment

By Albert S. Perry,Izuru Yamamoto,Isaac Ishaaya,Rika Y. Perry

Cover of Image Library for Nematology Vol. 1 (World Biodiversity Database CD-ROM Series) by

Image Library for Nematology Vol. 1 (World Biodiversity Database CD-ROM Series)

By

Cover of Releases of beneficial organisms in the United States and Territories, 1981 by jack r. coulson

Releases of beneficial organisms in the United States and Territories, 1981

By Jack R. Coulson

Cover of Plant signals in interactions with other organisms by penn state symposium in plant physiology (8th 1993 pennsylvania state university)

Plant signals in interactions with other organisms

By Penn State Symposium in Plant Physiology (8th 1993 Pennsylvania State University)

Cover of Agromyzidae (Diptera) Plant Pests by owen lonsdale,sean t. murphy,sonja j scheffer

Agromyzidae (Diptera) Plant Pests

By Owen Lonsdale,Sean T. Murphy,Sonja J Scheffer

Cover of Narcissus bulb quarantine revoked by united states. bureau of entomology and plant quarantine

Narcissus bulb quarantine revoked

By United States. Bureau of Entomology and Plant Quarantine

Cover of Recommendations for the control of insects attacking certain vegetables, small fruits, and tobacco, and the elimination of harmful insecticidal residues from the market product by united states. bureau of entomology and plant quarantine

Recommendations for the control of insects attacking certain vegetables, small fruits, and tobacco, and the elimination of harmful insecticidal residues from the market product

By United States. Bureau of Entomology and Plant Quarantine

Cover of Outline of control programs of the Bureau of entomology and plant quarantine by united states. bureau of entomology and plant quarantine

Outline of control programs of the Bureau of entomology and plant quarantine

By United States. Bureau of Entomology and Plant Quarantine

Cover of Outline of plan of operation for the cooperative protection of crops against Mormon crickets during 1938 by united states. bureau of entomology and plant quarantine

Outline of plan of operation for the cooperative protection of crops against Mormon crickets during 1938

By United States. Bureau of Entomology and Plant Quarantine

Cover of Control of the pecan nut case-bearer by united states. bureau of entomology and plant quarantine

Control of the pecan nut case-bearer

By United States. Bureau of Entomology and Plant Quarantine

Cover of Memorandum to users of Miscellaneous publication no. 189 by united states. bureau of entomology and plant quarantine

Memorandum to users of Miscellaneous publication no. 189

By United States. Bureau of Entomology and Plant Quarantine

Cover of Memorandum for the secretary [re insect control] by united states. bureau of entomology and plant quarantine

Memorandum for the secretary [re insect control]

By United States. Bureau of Entomology and Plant Quarantine

Cover of Pick up and destroy peach "drops". U.S.D.A. Bureaus of entomology and plant industry in cooperation with Georgia state board of entomology by united states. bureau of entomology

Pick up and destroy peach "drops". U.S.D.A. Bureaus of entomology and plant industry in cooperation with Georgia state board of entomology

By United States. Bureau of Entomology

Cover of Illustrative educational material by united states. bureau of entomology and plant quarantine

Illustrative educational material

By United States. Bureau of Entomology and Plant Quarantine

Cover of Codling moth control program for 1935 by united states. bureau of entomology and plant quarantine

Codling moth control program for 1935

By United States. Bureau of Entomology and Plant Quarantine

Cover of Rules and regulations of Bureau of entomology and plant quarantine... effective December 31, 1939 by united states. bureau of entomology and plant quarantine

Rules and regulations of Bureau of entomology and plant quarantine... effective December 31, 1939

By United States. Bureau of Entomology and Plant Quarantine

Cover of Rules and regulations of Bureau of Entomology and Plant Quarantine ... Effective December 31, 1949 by united states. bureau of entomology and plant quarantine

Rules and regulations of Bureau of Entomology and Plant Quarantine ... Effective December 31, 1949

By United States. Bureau of Entomology and Plant Quarantine

Cover of Rules and regulations of Bureau of entomology and plant quarantine... Effective December 31, 1938 by united states. bureau of entomology and plant quarantine

Rules and regulations of Bureau of entomology and plant quarantine... Effective December 31, 1938

By United States. Bureau of Entomology and Plant Quarantine

Cover of Rules and regulations of Bureau of Entomology and Plant Quarantine ... Effective January 1, 1949 by united states. bureau of entomology and plant quarantine

Rules and regulations of Bureau of Entomology and Plant Quarantine ... Effective January 1, 1949

By United States. Bureau of Entomology and Plant Quarantine