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( Botelho and Vanden Heuvel, 2006 ). Management tools to maximize carbohydrate availability during that period (such as evaporative cooling) should be investigated to optimize vegetative and reproductive growth. Literature Cited Baumann, T.E. Eaton, G

, SC. Temperatures ranged between 20 and 32 °C, supplemental lighting was not provided, and humidity was increased from ambient by an evaporative cooling system. The greenhouse potting medium was a 1/1 (v/v) blend of a commercial potting mixture (Metro

replications. The experiment was blocked against a temperature gradient imposed from the presence of a wet wall evaporative cooling system at one end of the greenhouse. Herbicides were applied with a carbon dioxide backpack sprayer equipped with XR8004VS nozzle

between 20 and 32 °C, supplemental lighting was not provided, and humidity was increased from ambient by an evaporative cooling system. The greenhouse potting mixture was a 1/1 (v/v) blend of a commercial potting mixture (Metro-Mix 360; Sun Gro

-style house with roof and side ventilation, horizontal circulating fans, bilayer polycarbonate covering, 3.6-m sidewalls, and no evaporative cooling, in the northeastern United States. Although supplemental lighting may be used for some portion of the year, it

Lundholm, 2008 ). Additionally, a diversified plant palette on an extensive green roof may be able to adapt to variable moisture conditions and maximize the evaporative cooling benefit, thus extending the benefits of extensive green roofs ( Compton and

excessively during the dry period as a result of lack of evaporative cooling ( Tarara, 2000 ). The significant improvement in tree growth and water relations associated with the wood chip mulch could provide growers with a relatively low-cost, sustainable

vicinity of a weather station may have a unique microclimate based on irrigation method, tree structure and age, or the use of evaporative cooling or netting (Hanrahan, personal communication). The chosen quality metrics could also be readily assessed

using a pad-and-fan evaporative-cooling system or heated using radiant hot-water-pipe heating regulated by an environmental control system (Maximizer Precision 10; Priva Computers, Vineland Station, ON, Canada). Lighting treatments. The greenhouse floor

(11 rootstocks × 3 harvest times) randomized complete block design, with four blocks placed down the greenhouse bench to account for temperature gradients associated with proximity to the evaporative cooling wall. Data collection. Complete excavation