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Nathaniel Ferraro, Darrell Bosch, James Pease, and James S. Owen Jr.

and recycle water offer potential solutions to this problem by reducing consumption of water and extending its availability ( Parsons et al., 2010 ). In the nursery crops industry, ≈5% of outdoor, uncovered operations nationwide recycle irrigation

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Martin P.N. Gent and Michael R. Short

to prevent spread of disease when the water is recycled ( van Os et al., 2008 ). Small-scale growers, less than 0.1 ha in production, are the dominant sector in New England. These growers cannot afford either a complex irrigation system or the

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Hanna Y. Hanna

electric drill to restore perlite loose structure, followed by hot water treatment, achieved the same results at less cost ( Hanna, 2006 ). Each method encompassed two separate steps collectively called perlite recycling. The first step was conducted to

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Yuhung Lin and Yaling Qian

wastewater (recycled water) for landscape irrigation. Golf courses are the leading urban landscape users of recycled water. The total area of golf courses in the United States was 608,732 ha in 2007. It is estimated that during 2003 to 2005, 80% of maintained

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Salvatore S. Mangiafico, Jay Gan, Laosheng Wu, Jianhang Lu, Julie P. Newman, Ben Faber, Donald J. Merhaut, and Richard Evans

primarily in the water phase of surface waters ( Bondarenko and Gan, 2004 ). Pesticide runoff loads from production nurseries are a concern also because the persistence of some pesticides may be prolonged in nursery runoff sediments or recycling pond waters

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Xiang Cao, Darrell Bosch, and James Pease

concerns, some nurseries have adopted WRT, which involves capturing and recycling irrigation water to improve crop water productivity and to enhance water supply security while reducing contaminants lost from nursery and greenhouse production sites. It is

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

profit. In an effort to conserve this valuable resource, there is a strong push for agricultural and horticultural industries to recycle irrigation water ( Economics Consulting Service, 2008 ; World Bank, 2006 ). Growers want to manage water without

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Sangho Jeon, Charles S. Krasnow, Gemini D. Bhalsod, Blair R. Harlan, Mary K. Hausbeck, Steven I. Safferman, and Wei Zhang

this type of system, irrigation water is pumped from a water reservoir to flood the floor or bench at a specified water level for a desired duration, and then drained back (often by gravity flow) to the reservoir for recycling in the next irrigation

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P. Tardif, J. Caron, I. Duchesne, and J. Gallichand

Overhead sprinkler systems in nurseries use large amount of water and fertilizers and generate runoff losses that may alter the quality of surface or subsurface water. Moreover, the cost associated with these losses is important. Water recycling may reduce that cost and the losses to the environment. Our objective was to evaluate the performance of two recycling systems (recycling and storing water in a tank and recycling solution through subirrigation on capillary mats) relative to a conventional overhead sprinkler system with no recycling. Two species (Prunus × Cistena and Spirea japonica `Little Princess') and seven substrates were used on plots subject to these irrigation practices. Treatments were compared for the water balance and the plant growth. After the first season, preliminary results showed that water and nutrient consumption were 65% less for sprinkler irrigation with recycling and with subirrigation on capillary mats. Plant yield and soil water content were statistically the same for the three treatments.

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Maria L. Burgos-Garay, Chuanxue Hong, and Gary W. Moorman

Recycling of irrigation water in commercial greenhouses is implemented as a strategy to minimize water and pesticide or fertilizer runoff from contaminating the environment ( Hong and Moorman, 2005 ; Hu et al., 2008 ). However, recycling water