Water and irrigation
Nov. 5, 2015, Gainesville, FL — A web-based irrigation system developed by researchers at the University of Florida Institute of Food and Agricultural Sciences saved 21 per cent in water use without reducing growth of container-grown landscape plants, a new study shows.
November 2015 — How effective is it? Many major municipalities throughout the world are using ozone water sterilization in their water treatment plants because ozone is a powerful disinfectant and leaves no chemical residue in the water.
October 2015 – I have written extensively on pH and electrical conductivity (EC) issues and management in bedding plants in Greenhouse Canada (March 2014 and earlier editions). Basically there are plants such as geraniums and impatiens, among others, that change the pH of the growing media towards the acidic side. However, plants such as petunias and calibrachoa, among many others, change the pH towards the alkaline side.
October 2015 – After the last “Inside View” editorial on fertilizer efficiency, a colleague in the supply industry wrote to me saying that “it is easy to put a smorgasbord [of nutrients] in front of the plants every day and let them choose what they want, instead of selectively giving them a balanced diet that doesn’t allow for overconsumption of certain fertilizers that outcompete others.”
October 2015 – Today many growers produce high value hydroponic crops in greenhouses and they have developed a growing science for vegetables and flower crops under protected cover.
Back when I first started writing about water quality and water treatment options, I made a presentation on greenhousing to participants of “WE ARE THE LAND: Energy and Food Sustainability Conference.”
July 7, 2015, Manitowoc, WI — The Dramm Corporation is in the national spotlight for making an eye-catching product.
May 8, 2015 – If the pH of your media is out-of-whack, consider checking your irrigation water alkalinity.
March 4, 2015, Guelph, Ont. – There was a steady stream of new ideas discussed yesterday at a major farm water management conference.
Ontario is making it easier for greenhouse growers to comply with regulations regarding the disposal of greenhouse nutrient feedwater by streamlining environmental compliance that will benefit farmers and enhance protection of the environment.
Feb. 26, 2015 — Nothing lasts forever, and fertilizer injectors are no exception.
Dec. 17, 2014, Toronto — Ontario is making it easier for greenhouse growers to comply with regulation regarding the disposal of greenhouse nutrient feedwater by streamlining environmental compliance that will benefit farmers and enhance protection of the environment.
Wouldn’t you know it? I’m asked to write this month on “water management” and there are rainfall warnings in effect in the Fraser Valley. North Vancouver is cleaning up after a night of heavy rain with six creeks overflowing, causing localized, but severe, flooding and property damage.
Aug. 5, 2014, Southampton, U.K. — New research from the University of Southampton is aiming to reduce the water footprint and increase shelf life of potted and cut herb production in the U.K.


At the University of Windsor, Dr. Bulent Mutus is removing phosphates and micronutrients from agricultural wastewater using a biopolymer called chitosan. Chitosan is made from shellfish and when treated can remove micronutrients and phosphates from water. Furthermore, the beads grow algae which can take more micronutrients and phosphate from the water and be refined into biodiesel. The project is planning to be commercialized into large filters that could treat much larger quantities of water than in the laboratory scenario.
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