Managing Low pH in Growing Media for Reliable Crop Performance
By Dan Jacques, Low pH can cause serious production problems for growers. Learn steps to determining low pH in growing media, how to properly sample for accurate testing, and the best options for raising growing media pH. This valuable knowledge will help growers maintain the right growing media pH for their crops to ensure reliable… View Article Read more about Managing Low pH in Growing Media for Reliable Crop Performance »
By Marla Faver, Sun Gro Technical Specialist Most soilless growing media are composed of multiple components with distinct physical properties that fit together to form pore spaces of various sizes. Coarse particles create larger pores (macropores) that maintain air spaces and facilitate drainage, while fine particles create smaller pores (micropores) that hold available (and unavailable)… 
By Shiv K. Reddy – A recent study shows that irrigation water sources across the U.S. rarely provide sufficient sulfur for greenhouse plants. We searched our lab database, which contains analyses of water samples from all across the U.S, and created a map that represents results from the most comprehensive survey to date on sulfur… 
By Dan Jacques and Ron Walden, Sun Gro Horticulture – The major role of a growing mix is to support the plant, while holding water and nutrients for the plant to use during growth. There are five main components commonly used in making growing media: peat moss, bark, coir, perlite and vermiculite. This article describes… 
A Q&A on trends in media mixes, with Sun Gro’s Dan Jacques, Technical Services, and Kathryn Louis, Research & Regulatory Services – What can you tell me about Sun Gro’s media mixes and components products for greenhouse growers? Sun Gro is the largest supplier of professional growing media in North America. We also are the…