Large, coarse perlite alone may not be the best aggregate for a peat-based growing medium. In general, a mix of different sizes is desirable to provide uniformly distributed air spaces and to avoid the negative aspects of the ‘sand & rocks effect’ or in this case the ‘peat and rocks effect.’ How do sand and rocks relate to a growing medium? You’ve probably seen the demonstration (often used in time management presentations). –Kathryn Louis
Read More in The Sun Gro’er Issue 5/1 (2010)
Leer más en The Sun Gro’er Issue 5/1 (2010) Spanish/Español
Month: March 2010
The Truth About Soluble Salts
On a greenhouse visit some time ago, I asked a new grower, “What fertilizer rate are you using?” To my surprise he replied, “I don‘t know.” I left the greenhouse fairly concerned, but after some contemplation decided that perhaps I shouldn’t be. Why? Because the fertilizer rate a grower provides to a crop is only one component affecting the crop‘s nutritional status. Factors such as fertilizer source, leaching fraction, irrigation method and plant development stage can dramatically affect the fertilizer rate that is necessary.
–Kathryn Louis
Read More in The Sun Gro’er Issue 5/1 (2010)
Leer más en The Sun Gro’er Issue 5/1 (2010) Spanish/Español
Realigning Our Professional Brands
Sun Gro has added many professional products over the years, and it‘s time to simplify. We set out to use our brands to organize our professional products in a manner to simplify what we have and by virtue help others understand the products Sun Gro offers. So we came up with a way to use our two common brands to organize our professional products in a way that our customers can understand.
Read More in The Sun Gro’er Issue 5/1 (2010)
Leer más en The Sun Gro’er Issue 5/1 (2010) Spanish/Español