Temperature management is one of the most critical factors in successful production of many high tunnel crops. While raising the minimum temperature is important, keeping the maximum temperature from exceeding a range optimum for crop growth is equally important. Since high tunnels are passively vented through sidewalls and endwalls, air temperature and humidity can affect crop growth, nutrient and water uptake, pollination, fruit ripening and pest outbreaks.
Production of the 2012 asparagus crop is forecast at 759,000 cwt, down 10 percent from 2011. Area harvested, at 25,300 acres, is down 7 percent from last year. Fresh production, at 626,000 cwt, is down 7 percent from 2011. Processed production, at 6,650 tons, is down 22 percent from last year.
In a companion article in this issue, Michael Porter’s Five Forces model plus two additional forces were used to analyze fundamental forces for change in the fresh produce supply chain (see article by this author titled Fundamental Forces Affecting U.S. Fresh Produce Growers and Marketers).
Effect of combinations of hot water dips, biological control and controlled atmospheres for control of gray mold on harvested strawberries