; Organic Materials Review Institute (OMRI)-listed, Eugene, OR] was used. Major components of the medium are sphagnum, perlite, peatmoss, gypsum, and dolomitic limestone. Before filling trays, the medium from all bags were combined, moistened, and mixed so
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Vincent M. Russo and Wayne W. Fish
John Wilhoit and Timothy Coolong
, temperature regulation of the root zone and aboveground growing environment, reduced nutrient leaching, altered insect and disease pressures, and in some instances, reduced soil compaction or improved soil organic matter ( Diaz-Perez, 2010 ; Lamont, 1993
Heather Friedrich, Curt Rom, Jennie Popp, Barbara Bellows, Donn Johnson, Dan Horton, Kirk Pomper, David Lockwood, Steve McArtney, and Geoffrey Zehnder
Poster Session 44—Organic Production 21 July 2005, 12:00–12:45 p.m. Poster Hall–Ballroom E/F
K. Delate
, and Heartland Organic Marketing Cooperative for their support of this research and education program.
T.K. Hartz, R. Smith, and M. Gaskell
Organic production has become a significant sector of the vegetable industry in California. Providing sufficient soil nitrogen availability to reach maximum yield potential can be a challenge in organic culture. Cover cropping is generally the most
Gerardo H. Nunez, Alisson P. Kovaleski, and Rebecca L. Darnell
The organic products market has been steadily growing throughout the world ( Shi-ming and Sauerborn, 2006 ). In the United States, sales of organic products reached $21.1 billion in 2008 ( U.S. Department of Agriculture, 2012 ), continuing the
Robert L. Mikkelsen
consequences of inadequate K can be severe for crop growth and efficient utilization of other nutrients such as N and P. Maintenance of adequate K is essential for both organic and conventional crop production. Supplemental K is sometimes called “potash,” a
Francesco Montemurro, Angelo Fiore, Gabriele Campanelli, Fabio Tittarelli, Luigi Ledda, and Stefano Canali
Cover crops play an important role in organic farming and, in properly designed rotational systems, are able to provide fundamental ecological services to enhance agro-ecosystem sustainability ( Blackshaw et al., 2005 ; Bugg and Waddington, 1994
Xin Zhao, Edward E. Carey, and Fadi M. Aramouni
Oral Session 1—Organic Horticulture Moderator: Matthew D. Kleinhenz 18 July 2005, 2:00–4:00 p.m. Ballroom H
George E. Boyhan and C. Randy Hill
quality and mild flavor ( Boyhan and Torrance, 2002 ). Organic production, which has been around for over 30 years, has gained new impetus with the adoption of the U.S. Department of Agriculture (USDA) National Organic Program (NOP), which defines organic