Growing Media
August 2015 — At Kwantlen Polytechnic in Langley, B.C., “Urban Ecosystems” degree students have been busy installing green walls (both inside and outside buildings) as part of developing the physical campus environment. When “Facilities Management” began renovating the library roof membrane, the opportunity arose to install a large green roof.
June 12, 2015, Leamington, Ont. — Janan Alles, Shawn Mallen, and Connie and Rick Bradt of A.M.A. Plastics Ltd. recently attended BVB College with other BVB Substrates distributors.
When we consider “rootzone management,” our thoughts often turn to growing medium structure or pH/EC, or water content and “overdrain” in hydroponic grow bags (e.g., coir or rockwool).
March 12, 2015 – This e-GRO Alert includes information on the detrimental effects of substrate compaction from stacking or nesting containers on top of each other prior to planting.
As we move deeper into fall, the light levels will decrease rapidly, which poses many issues for plant and fruit quality, parameters which must be maintained in order to maximize production.
In the summer, adjustments to the start and stop times of irrigation and the use of stable EC settings are required.
Maintaining a good nutrient balance in the rootzone can help avoid many common fruit quality disorders, such as blossom end rot (BER), blotchy ripening and micro-cracking.
In his third of four articles for Greenhouse Canada, Grodan crop consultant and young plant specialist Hans van Herk provides an insight into the world of high-tech tomato propagation
I’ve talked about this topic before, but interest continues to grow.
Looking at key processes to ensure consistent saturation of plugs and blocks to ensure crop is off to a good start

Late July and August is the time when rooted cuttings start arriving in greenhouses.
Working with less drain per cent allows you to steer the crop with fewer inputs of water, fertilizer and energy

Here we are in the month of February and bedding plant and ornamental production greenhouses are buzzing with activity. Plugs are arriving and being transplanted.
Everyone is now focused on preparing for the new crop, and for a clean start it is essential that the greenhouse is disinfected properly.
As I write, severe droughts are hitting most of the continental U.S. As well, sadly, extreme temperatures are causing loss of human life.
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