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Stephanie E. Burnett and Lois Berg Stack

107 111 Jolly, D.A. 1991 Determinants of organic horticultural products consumption based on a sample of California consumers Acta Hort. 295 141 148 Kelley, K.M. Biernbaum, J.A. 2000 Organic nutrient management of greenhouse production of edible

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Laura Pickett Pottorff and Karen L. Panter

higher relative humidity. Fig. 5. Powdery mildew on tomato in a greenhouse. There are several management strategies, but by far the most successful is to increase air circulation. In a greenhouse, this can be accomplished with the addition of horizontal

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John C. Majsztrik, Andrew G. Ristvey, David S. Ross and John D. Lea-Cox

management and water-control structures are not in place. There has been minimal research that has focused on defining N, P, and sediment contributions from the commercial nursery and greenhouse industry, and on quantifying the impact of ornamental operations

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Jonathan M. Frantz, Bryon Hand, Lee Buckingham and Somik Ghose

. Sanders M. Greenhouse engineering Natural Resource Agr. Eng. Serv. Publ. 33 Bartok J.W. Jr 2005 Greenhouse management/engineering: Fuels and alternate heat sources for commercial greenhouses 27 Nov. 2009 < http://www.umass.edu/umext/floriculture/fact_sheets/greenhouse_management

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J.L. Bi and N.C. Toscano

pyriproxifen are considered as important components of integrated greenhouse whitefly management programs. In this study, our laboratory experiment showed that spiromesifen was highly effective against both eggs and the immatures of the greenhouse whitefly and

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Kranti Macherla and Richard J. McAvoy

management reduces fertilizer use by 30% to 40% ( Strefeler, 1991 ). A modified subirrigation watering system was developed by Geremia Greenhouse (Wallingford, CT) in collaboration with TrueLeaf Technologies (Petaluma, CA). This system allows growers to limit

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Alyssa J. DeVincentis, Robin G. Brumfield, Paul Gottlieb and James R. Johnson

make it a worthwhile investment. The two greenhouses in this study produced the same amount of (negligible) runoff, however they illustrated opposite approaches to water management: flood floors and drip irrigation. Greenhouses with high

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Neil S. Mattson, Elizabeth M. Lamb, Brian Eshenaur and John Sanderson

need for improved diagnosis and management of diseases and insects and information on substrate and fertilizer management to reduce crop loss or loss in quality. Extension specialists and educators have traditionally offered 1-d greenhouse conferences

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Joseph J. King and Dennis P. Stimat

188 ORAL SESSION (Abstr. 747-753) FLORICULTURE: GREENHOUSE MANAGEMENT/NUTRITION

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J.H. Lieth, P.A. Kiehl, S.A. Tjosvold, G.B. Vogel and D.W. Burger

188 ORAL SESSION (Abstr. 747-753) FLORICULTURE: GREENHOUSE MANAGEMENT/NUTRITION