Gouty pitch midge damage to ponderosa pines planted on fertile and infertile soils in the western Sierra Nevada
By: George T. Ferrell, William D. Bedard, James L. Jenkinson
Contributors: Bedard, William D; Jenkins, James L; Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Series: Research note PSW -- 390
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
Published: 1987
Place of publication: Berkeley, Calif
Language: eng
Subjects: Cecidomyia; Ponderosa pine -- Sierra Nevada (Calif. and Nev.); Ponderosa pine -- Sierra Nevada (Calif. and Nev.) -- Growth.; Plants -- Wounds and injuries -- Sierra Nevada (Calif. and Nev.)
Notes: Caption title

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"January, 1987."

Bibliography: p. 3