Greenhouse Management - Greenhouse Management is the …
WEBGreenhouse Management is the leading source of business management information and industry research serving greenhouse growers in the U.S. and Canada.
The internet of greenhouse things - Greenhouse Management
WEBFeb 26, 2020 · The transfer of data between objects — known as the Internet of Things (IoT) — is big business, from cell phones to smart speakers to toys to refrigerators. Now, there are opportunities for its use among cameras, sensors and other equipment in greenhouses that relay data to physical or cloud servers. …
Battling bacterial leaf spots - Greenhouse Management
WEBMar 5, 2013 · A more recent product that has shown benefits in controlling bacterial leaf spots is Cease (originally sold as Rhapsody), which is a biological control (Bacillus subtilis). Trials with Cease shown good efficacy against Pseudomonas and Xanthomonas leaf spots on bedding plants and cut flowers. The most effective rate has been 1 percent ...
6 common greenhouse problems & how to solve them
WEBMar 2, 2021 · Common problem No. 4: Constant mold and pest problems. Besides the overall function of the watering/fertigation system, close attention to disinfection is a major priority. Pythium and other vectors for disease can be transmitted by contaminated irrigation equipment and/or contaminated water. If growers are experiencing continued Pythium ...
Improving thermostat performance - Greenhouse Management
WEBOct 29, 2012 · This can vary from 1°F to 8°F for mechanical thermostats. If you want to maintain a minimum 60°F (setpoint) in the greenhouse and have a thermostat with a 6°F differential, the furnace will start when the temperature falls to 60°F but doesn’t turn off until it reaches 66°F. This override overheats the greenhouse and increases both the ...
Worth its salt - Greenhouse Management
WEBDec 11, 2012 · Benefits. Freshwater production: The fresh water produced is pure and distilled, with no need for chemical treatment. No fossil-fuel requirements: Unlike traditional greenhouses, Seawater Greenhouse systems use only seawater and sunlight to control the growing environments, with equal effectiveness. Pesticide free: Seawater evaporators have a biocidal and scrubbing effect on the ventilation ...
Consider your covering - Greenhouse Management
WEBFeb 25, 2016 · It is being touted as being more resilient to winds, hail storms and snow loads, having a 120-pounds-per-square-foot snow load rating and 100-mph wind rating. The structural framework of the greenhouse will contribute to the overall resistance to the forces of nature. The bubble wrap type covering has an R-value of 1.71.
Choose the right plastic film for your needs
WEBMay 27, 2010 · The life of polyethylene film is limited due to degradation processes induced by sunlight and heat. Copolymer poly is a low-cost material that is good for one season. It is a good choice for seasonal greenhouses, overwintering structures and high tunnels. Avoid construction grade material that has less strength.
Light diffusion through greenhouse coverings
WEBJan 25, 2017 · Polyethylene film: The regular 4-year grade of poly has limited diffusion properties and a PAR light transmission of about 90 percent. With co-extrusion commonly used in the manufacture of poly, additional properties can be incorporated. Poly with an energy saving, infrared inhibitor should be used as the inner layer of …
Does light transmission through greenhouse glazing matter?
WEBFeb 5, 2018 · Clean glazing: Wash in the fall to remove exterior shading, dirt and smog. This can increase light transmission by five percent or more. Although the light transmission of the glazing is an important consideration when building a new greenhouse, there are many other factors that need to be considered that can have a greater effect. John is an ...