greenhouse operation Articles

  • Fruitful results from a true IPM approach

    Paul Roberts, co-founder and partner of Ashdown Nursery, established nearly 30 years ago, grows approximately 160,000 strawberry plants for co-operative, Berry Gardens, in greenhouses covering 1.6 hectares. “This year, we’ve had to deal with a significant increase in the number of spidermite, thrips and whitefly,” explains Mr Roberts. “Over the years, I have used a ...


    By Certis UK

  • From Landfill to the Tomato Plant -- Purified Biogas Powers Greenhouse Operation

    In 2009, the Board of Waste Management for the Mauricie region of Quebec, Canada (RGMRM) found a biogas purification solution through an Eco-Tec Inc. system known as BgPur, which uses a patented, high efficiency gas-liquid contacting process, allowing H2S to be absorbed and the gas purified for reuse in power generation, cogeneration and heating applications. The aim was to purify the landfill ...


    By Eco-Tec Inc.

  • Greenhouse packs a power punch

    Closed loop system utilizes gasification, algae ponds and anaerobic digestion to convert wood waste to a variety of products, including biofuel, biogas and a soil amendment. MICHAEL Smith is supervising the first commercial-scale Green Power House at the F.H. Stoltze Land and Lumber Co. near Columbia Falls, Montana. Smith, a physicist, has designed a system to take waste products and turn them ...


    By BioCycle Magazine

  • Wireless Greenhouse Monitoring and Control

    CAS DataLoggers Provides the Intelligent Automated Solution A fruit crop experiment station needed to remotely monitor and control its climate systems in a number of greenhouses.  The proposed system needed to monitor soil moisture content and temperature and actively control irrigation and airflow by opening and closing windows to ensure that the appropriate temperature was ...


    By CAS DATALOGGERS

  • Edible flowers greenhouses monitored, controlled with AgroAmitec

    Not far from Tel Aviv Mr. and Mrs. Simon Mizrahi grow edible flowers which they export worldwide. In order to assure high quality and high yields, free of diseases, which is ready for the market on schedule -Mr. Mizrcahi grows his crop in greenhouse that are being monitored and controlled using AGROAMITEC Climate Control which was developed in co-operation with ...


    By Amitec Ltd.

  • Q&A with Greenhouse Expert Theo Van de Sande

    Here at Illumitex we pride ourselves in not only our products, but our expert staff as well. Theo Van de Sande, our Senior Greenhouse Consultant, sat down with me to answer a few questions over greenhouse farming. But before we give you tips from a pro, a little background on Theo – Theo is a third generation greenhouse grower from the Netherlands with over 30 years of experience and ...


    By Illumitex Inc.

  • Commercial greenhouse water demand sensitivity analysis: single crop case study

    Today water distribution utilities are trying to improve operational efficiency through increased demand intelligence from their largest customers. Moving to prognostic operations allows utilities to optimally schedule and scale resources to meet demand more reliably and economically. Commercial greenhouses are large water consumers. In order to produce effective forecasting models for ...


    By IWA Publishing

  • Evaluation of greenhouse gas emissions and design of mitigation options: a whole farm approach based on farm management data and mechanistic models

    Agricultural activities are important sources of nitrous oxide (N22O), methane (CH4) and carbon dioxide (CO2). They contribute approximately 10% of the total emitted greenhouse gases (GhG) in the European Union. We search for evaluating GhG emissions at the farm level and designing mitigation options. As emissions occur at many stages within the farm operation, it is crucial to ...


    By Inderscience Publishers

  • Air emissions of ammonia and methane from livestock operations: Valuation and policy options

    The animal husbandry industry is a major emitter of ammonia (NH3), which is a precursor of fine particulate matter (PM2.5) —arguably, the number-one environment-related public health threat facing the nation. The industry is also a major emitter of methane (CH4), which is an important greenhouse gas (GHG). We present an integrated process model of the engineering economics of technologies to ...

  • Decreased cost price advantage of gas CHP use

    From the new Quantitative Information of the Greenhouse Horticulture prove the differences in cost between whether or not CHP use almost to fall away, the carbon footprint using CHP for the heat demand remains more favorable. At different crops is the average realized sales price below the economic cost price. The scale of the companies continues to increase; the NL acreage of the main crops is ...

  • Using ICT to Drive your sustainability strategy

    Australian corporations and government bodies face the imperative to create a platform in their own organisations to tackle the complex issue of climate change through sustainability strategies. Sustainability means taking responsible action and providing solutions that improve operational resilience, commercial sustainability and environmental sustainability with the resultant environmental, ...

  • Bottom line on regional cap-and-trade programs

    Three regional greenhouse gas cap-and-trade programs are either in the planning stages or operational in North America. This brief discusses each of the programs. What is happening on the regional level and why is this significant? Twenty-three U.S. states and four Canadian provinces are actively participating in the design and implementation of three regional cap-and-trade programs to ...

  • Rough Brothers' Conservatories

    Founded in 1932, Rough Brothers’ original business focus was greenhouse maintenance and repair. But, things are far different today. Company growth has been steady in recent years as the breadth of Rough Brothers’ services and products has far exceeded what the original five ‘Rough’ brothers could have ever imagined. Today Rough Brothers and its sister companies cover the ...


    By Rough Brothers Inc.

  • VeggieFresh LED grow lights help commercial growers increase revenue by 35%

    After 2 years of research, development, and testing, VeggieFresh LED announces arrival of their new line of commercial LED grow lights through VeggieFreshLED.com. Known for bringing innovative products to the commercial greenhouse marketplace, VeggieFresh is positioned to permanently alter how produce is grown on a large scale by showing grow operation ...


    By Veggie Fresh LED

  • Case study - Pelton Reforestation Ltd., Maple Ridge, British Columbia, Canada

    “In 1986 our company used Sidel Systems to design and install a complete hot water heating system in our 135,000 sq./ft. greenhouse. The system was comprised of 51mm heating loops, headers with computer controlled mixing valves, and a 500 HP gas fires Cleaver Brooks Boiler outfitted with a matching flue gas condenser unit. Over the next 3 years we added additional greenhouse space and the ...


    By Sidel Systems USA Inc.

  • Sodium uptake of Iris wilsonii and its photosynthetic responses to high-salinity stress in microcosm submerged beds

    In order to investigate the performance of Iris wilsonii in high-salinity wastewater, seven microcosm submerged beds were built with rectangular plastic tanks and packed with marble chips and sand. Each submerged bed was transplanted with six stems of I. wilsonii. The submerged beds were operated in a 7-d batch mode in a greenhouse with artificial wastewater for three 42-d ...


    By IWA Publishing

  • Case study - Finally - a fan for the 21st century

    Travis Luther, owner of Forcefield, designs and builds Advanced Greenhouse Climate Solutions in southern Oregon, USA. He bought MagFans for his greenhouses and he is impressed with the powerful, efficient and quiet fan. - Being in a hot dry climate, we rely on evaporative cooling to keep the temperature from climbing to detrimental levels in the summer. This requires massive air flow to ...


    By DACS A/S

  • Composting and local food merge st urban garden

    Growing Power (GP), a nonprofit urban garden and training center in Milwaukee, Wisconsin, provides affordable produce to neighborhoods without access to fresh food, and processes a variety of organic wastes through composting and anaerobic digestion. Located on a two-acre lot on Milwaukee's north side, the six greenhouses and several hoop houses include raised beds for herbs and greens, ...


    By BioCycle Magazine

  • Case study - Viet-Uc, Vietnam

    One of the best known growth stories in Vietnamese aquaculture is shrimp producing company Viet-Uc. The business, run by entrepreneur Van Thanh Luong, has set up the world’s largest shrimp hatchery producing 15 billion of postlarvae annually. Applying hatchery management principles – controlling conditions from start to finish – to the nursery and grow-out stages, Viet-Uc is ...


    By Inve Aquaculture

  • The Latest in Whitefly Control

    Next month’s Greenhouse Canada Grower Day is welcoming leading researchers and crop specialists to help you tackle one of the industry’s biggest challenges. Whitefly is proving to be one of the most difficult pests to control, mainly due to the lack of effective registered chemicals that can eradicate silverleaf whitefly. It is also due to the unwillingness of biological suppliers to ...

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