greenhouse vegetable fertilization Articles

  • Availability of iodide and iodate to spinach (Spinacia oleracea L.) in relation to total iodine in soil solution

    Abstract  A greenhouse pot experiment was carried out to investigate the availability of iodide and iodate to soil-grown spinach (Spinacia oleracea L.) in relation to total iodine concentration in soil solution. Four iodine concentrations (0, 0.5, 1, 2 mg kg−1) for iodide (I−) and iodate (IO3−) were used. Results showed that the biomass productions of spinach were not ...


    By Springer

  • Valuation of nitrogen retention as an ecosystem service on a catchment scale

    An ecosystem service approach was used to study the water purification service exemplified by impacts of land management scenarios. Nitrogen retention was calculated in two agricultural catchments by the dynamic Integrated Nutrients in Catchments (INCA)-N model. The monetary valuation was based on purification efficiency of artificial wetlands. The set of scenarios were based on existing ...


    By IWA Publishing

  • Response of nitrogen uptake and partitioning to critical nitrogen supply in oat cultivars

    Nitrogen uptake and partitioning in oat (Avena sativa L.) are not well documented. A greenhouse study was conducted to determine the critical timing of N supply on the growth, N uptake, and partitioning. Plants grown in plastic pots were subjected to five N fertilization regimes: (i) control, N supply from seedling to physiological maturity (PM); (ii) N supply from seedling to flag leaf; (iii) N ...

  • Cannabis Irrigation-Israel

    Getting to Know Cannabis Farming Israel’s agricultural industry is ripening for the beginning of medical cannabis export, with the expected passage of medical export legislation by the end of the year. The timing is particularly fruitful for growers who are interested in succeeding in a new venture that is still in its infancy. The rewards are also high: Israel’s Health and ...


    By Kim Engineering Solutions

  • Ontario Horticulture Research Priority Report 2016

    Sector Consultation The Ontario Fruit and Vegetable Growers Association partnered with Vineland to host a research strategy workshop in November 2014 with the goal of defining the top five research priorities for each crop group. Grower organizations were invited to nominate two representatives to participate on their behalf and a number of researchers from relevant fields were invited to ...

  • CoirGreen™ Growbags combine the benefits of coir and growbags

    The global gardening culture is changing. In the days gone by, people had to till the soil, get dirty and possibly sweat after a ...


    By CoirGreen

  • Dietary effect on GHG emissions is hard to swallow

    The news is enough to make climate campaigners choke on their high-fibre breakfast cereal: if Americans adopted the dietary guidelines suggested by their own Department of Agriculture, greenhouse gas emissions (GHGs) would actually go up by 12%. And even if Americans did what dietary ...


    By Climate News Network

  • Crops flourish with Scalewatcher

    Water is an essential component of horticulture and agriculture whether it is used for irrigating field-scale vegetables, nursery stock, flowers or fruit.  Where water contains high degrees of calcium, magnesium and sodium, it can cause nutrient deficiency in plants and crops resulting in stunted growth and poor yields. Calcium also blocks irrigation systems and boilers in heated ...

  • College Composting Program Matures

    Untitled Document To meet the need for quality compost, Berea College now processes 35 tons of food residuals each year, providing jobs for ...


    By BioCycle Magazine

  • Certified Organic Farm Relies on Compost

    Located 50 miles northwest of Dayton, Ohio, the owners of Fresh Aire Farms grow crops on over 250 acres of farmland, relying on high quality compost as a soil conditioner and nutrient amendment. Dan and Michelle Young started composting seven years ago to reduce the amount of chemical inputs they had to buy. “We are a certified organic farm incorporating sound cropping principles,” says Dan ...


    By BioCycle Magazine

  • Green catering tips

    It's that time of the year again - party time. Whether it's St Patrick's Day, Easter, birthdays, Christmas, weddings, Thanksgiving, Halloween or Hanukkah, we all enjoy letting our hair down and having fun with friends and family! And with these events, come the mountains of munch-ables - tasty treats of every shape, colour and ingredient. But how green is our spinach really, and should we be ...


    By green24

  • 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

  • 3 Things To Think About Before Buying Your Thanksgiving Turkey

    Thanksgiving is time for celebration of family, football, and friends, sandwiched between platters of turkey, stuffing, and pumpkin pie. But when you head out to pick up those last minute ingredients for your Thanksgiving feast, you may want to consider just how much food won’t get eaten at your table. Recent ...

  • The localization of agriculture

    In the United States, there has been a surge of interest in eating fresh local foods, corresponding with mounting concerns about the climate effects of consuming food from distant places and about the obesity and other health problems associated with junk food diets. This is reflected in the rise in urban gardening, school gardening, and farmers’ markets. With the fast-growing local foods ...


    By Earth Policy Institute

  • Climate Smart Agriculture: Zambia’s Strategy to Reduce Emissions

    The agricultural sector is believed to be the backbone of the Zambian economy thereby alleviating problems associated with poverty and food security. The development of the sector is viewed as one sustainable way of economic growth and ‘Eradicating Extreme Poverty and Hunger’ which is goal number one of the Millennium Development Goals (UN, 2000). The sector contributes to the growth ...


    By TractorExport

  • Urban farming is booming, but what does it really yield?

    City-based agriculture produces 15 to 20 percent of food globally. In the U.S., its benefits go far beyond nutrition. This story was produced in collaboration with the Food & Environment Reporting Network, a non-profit investigative news organization. ...


    By Ensia

  • Using Compost To Control Plant Diseases

    Losses due to soilborne diseases on some greenhouse, nursery and vegetable crops can amount to thousands of dollars per acre annually. Until the 1930s, organic amendments — consisting of animal and green manures, coupled with crop rotation — were principal methods of control. But these approaches were largely abandoned for reasons of cost and inconvenience after commercial fertilizers and the ...


    By BioCycle Magazine

  • Current research projects

    Phosphorus availability as influenced by organic residues in five calcareous soilsInvestigator: Mohsen Jalali, Department of Soil Science, College of Agriculture, Bu-Ali Sina University, Hamadan, IranObjectives: To investigate the effect of time and organic residue addition on P availability in some calcareous soils. The use of organic residue is appropriate in maintaining long-term ...


    By BioCycle Magazine

  • Commercial Experiences :Time for (compost) Tea in the Northwest

     Understanding Compost Tea COMPOST TEA describes many different preparations made using compost as a starting material and producing a liquid extract or in some cases a “liquid version” of the original compost. There are many home-designed pieces of equipment and some commercially available equipment made to produce compost tea. New ideas abound on how to fabricate the better tea-maker and ...


    By BioCycle Magazine

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