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Creator:: Hart, John M. (John Mervyn), 1947-
Abstract:: Revised August 1990. Reprinted May 1998. This publication was replaced by OSU Extension publication EM 9057 & EM 9060. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://catalog.extension.oregonstate.edu
Resource Type:: Technical Report
Full Text:: industrial was may supplement the nutrient needs of most crops. In m situations, because of guaranteed

Creator:: Vomocil, James A. and Hart, John M. (John Mervyn), 1947-
Abstract:: Most irrigation water in Oregon is of excellent quality. Occasionally a deep well yields water that is too salty for irrigation, or contains constituents that are detrimental to plants or soils. Water can be of poor quality for irrigation because of the amount of impurity (salt) it contains or the...
Resource Type:: Technical Report
Full Text:: d st t e nd ng e ow ity: r M ost irrigation water in Oregon is of excellent quality

Creator:: Oregon Agricultural Experiment Station and Bloss, John M.
Abstract:: Published May 1893. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . Address Delivered before the Marion County Horticultural Society, Salem, Oregon. BY JOHN I. BLOSS

Creator:: Stonedahl, Gary M. and Lattin, John D.
Abstract:: Seven species of Gerridae are known to occur in Oregon and Washington. These are Gerris (Aquarius) remigis Say, Gerris (Gerris) buenoi Kirkaldy, Gerris (Gerris) gillettei Lethierry and Severin, Gerris (Gerris) incognitus Drake and Hottes, Gerris (Gerris) incurvatus Drake and Hottes, Limnoporus notabilis (Drake and Hottes), and Metrobates trux infuscatus Usinger....
Resource Type:: Technical Report
Full Text:: ................................................................................... 31 AUTHORS: Gary M. Stonedahl is a doctoral candidate and assistant curator of the Systematic

Creator:: Hart, John M. (John Mervyn), 1947- and Butler, M. D. (Marvin D.)
Abstract:: Central Oregon is the primary U.S. hybrid carrot seed production area, supplying seed to the domestic fresh market carrot industry. Approximately 85 percent of the hybrid carrot seed planted in the United States is grown in Jefferson and adjoining counties. The Madras and Culver areas support most of the carrot...
Resource Type:: Technical Report
Full Text:: Oregon) J. Hart and M. Butler Central Oregon is the primary U.S. hybrid carrot seed production area

Creator:: Hart, John M. (John Mervyn), 1947-, Mansour, N. S., Hemphill, D. D., and Mack, H. J. (Harry John), 1926-
Abstract:: Good management practices are essential if optimum fertilizer responses are to be realized. These practices include use of recommended varieties, selection of adapted soils, weed control, disease and insect control, good seedbed preparation, proper seeding methods, and timely harvest. Because of the influence of soil type, climatic conditions, and other...
Resource Type:: Technical Report
Full Text:: d. d ar es p th els a ). n of d- m of di il d a e. i- s, duc- ely. e a cen- t are

Creator:: Gardner, Ernest Hugh, Hart, John M. (John Mervyn), 1947-, Hannaway, David B., and McGuire, William S.
Abstract:: Revised May 1983. Reprinted January 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

Creator:: Huber, M. J., Landers, John H. (John Herbert), 1921-, and Oregon State College. Federal Cooperative Extension Service
Abstract:: Published March 1956. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: , and some of the cheaper lumber grades will do a satisfactory job. This circular was prepared by M

Creator:: Gingrich, Gale Allen, Hart, John M. (John Mervyn), 1947-, and Christensen, Neil Walter, 1944-
Abstract:: Fertilizing hops improves yield and quality by supplying the crop with ample nutrition in advance of demand. Producers must combine this goal with production costs and environmental stewardship. Fertilization should be based on yield and quality response, experience, and economics. Unfortunately, limited experimental data exist linking modern cultural practices, current...
Resource Type:: Technical Report
Full Text:: during 1992. Gale Gingrich, Extension agent, Marion County; John Hart, Extension soil scientist; and Neil

Creator:: Hart, John M. (John Mervyn), 1947-, Pirelli, Gene J., Cannon, Lynn E., and Fransen, S.
Abstract:: This guide replaces FG 1, Irrigated Clover-Grass Pastures (W. Ore.); FG 4, Subclover-Grass Pasture (W. Ore.); FG 16, Perennial Grass Pasture (W. Ore.); FG 58, Irrigated Clover-Grass Pastures (SW Ore.); and FG 63, Subclover-Grass Pastures (W. Ore.).
Resource Type:: Technical Report
Full Text:: Western Washin J. Hart, G. Pirelli, L. Cannon, and S. Fransen d . s, m Soil pH indicates whether lime

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