The Prospiant process - Greenhouse Management
WEBAug 19, 2021 · The Prospiant process. Mark Dunson, group president of Prospiant, explains the steps they take to ensure structural success and customer happiness. Prospiant, formerly known as Rough Brothers, has taken on a new identity with an updated mission — to embody health, wellness, long-term stability, …
The IGR playbook - Greenhouse Management
WEBOct 17, 2023 · IGRs have short residual longevity, meaning that biological control agents can be reintroduced within days of application. IGRs are effective and versatile. IGRs are effective in breaking the life cycle of pests, and they should be part of every pest management program to keep those hard-earned profits in your pockets.
Subirrigation strategies - Greenhouse Management
WEBOct 21, 2021 · Flood tables are effective for irrigating containerized plants like these potted roses, and can be efficient for moving plants around the greenhouse as well. Subirrigation is also flexible and accommodating for different crop spacing. Whether it is shuttle trays of 4-inch containers placed pot tight or 8-inch poinsettias on 18-inch centers, it ...
In review: greenhouse film plastic properties
WEBApr 19, 2021 · Thermicity. A plastic film is considered an infrared film (IR) if less than 25% of the heat generated within the greenhouse is allowed to escape. The lower the percentage, the lower the winter heating bill. Regular greenhouse grade polyethylene film allows 30% to 60% of the IR heat to escape. Plastic manufacturers have …
A bigger & bigger circle - Greenhouse Management
WEBNov 29, 2021 · Founded in 1968 by John van Wingerden, Green Circle Growers has called Oberlin, Ohio, its home for over 50 years. Today, John’s son, CJ van Wingerden, and son-in-law, Scott Giesbrecht, run the business as co-CEOs, and they still consider Oberlin to be their home base, with their facility spanning over …
Understanding IGRs - Greenhouse Management
WEBAugust 12, 2013. Sweetpotato whiteflies on poinsettia. The tiny pale spots are numerous young nymphs, an ideal target for IGRs. Insect growth regulators, or IGRs, are materials that act on the hormonal systems of immature insects. Insects pass through several stages on their way to adulthood. Each step in the process in controlled by chemicals ...
Greenhouse maintenance tips - Greenhouse Management
WEBNov 29, 2021 · Greenhouse maintenance tips. Four growers offer their insight into keeping their structures and systems operational. Chris Manning. November 29, 2021. Greenhouse maintenance is key for any operation. Keeping structures secure and sound is not just to continue operating at max efficiency, but to keep repair costs down and …
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.
Controlled-release fertilizers 101 - Greenhouse Management
WEBMar 22, 2021 · Water-soluble fertilizer (WSF) is ubiquitous in greenhouse crop production, and for good reasons. Yet controlled-release fertilizer (CRF) can be a great option, either as an alternative to WSF or as a complement in production. This month’s Production Pointers will cover some of the important considerations for anyone considering CRFs for ...
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 ...