pH affects seed germination of eight bedding plant species (Shoemaker and Carlson, 1990)
Floriculture production guide (British Columbia Ministry of Agriculture, 2009)
Growth retardant rates for bedding plant production in northern climates (Erwin, 2003).
How to avoid ammonium toxicity (Erwin, 1990).
Fertilizer conductivity chart (1991).
Greenhouse nutrition and phosphorus (Reese, 1991).
Ounces of fertilizer required per gallon of concentrate for proportioner injector feeding (1991).
Injector ratios, and amounts of fertilizer needed to deliver different ppm N (1992).
Sustainable production of marigold and calibrachoa with organic fertilizers (Eaton et al., 2013)
Greenhouse humidity control (CropKing, Inc., 2017).
Are your nutrients competing? (Erwin, 1992).
Calcium (Kosla and Ferguson, 1992).
Managing micronutrients in the greenhouse (Nelson, 1992).
Graphical Tracking 101 (Heins and Fisher, 1997)
Hitting the right curve (Fisher, Heins and Lieth. 1997).
Get the plant height you want with graphical tracking (Carlson and Heins. 1990).
Tracking oriental and hybrid lilies (Fisher, Heins, Liu, and Bilodeau. 1998).
Modeling lime reaction in peat-based substrates (Fisher, Huang and Argo, 2006)
Understanding plant nutrition: Limestone, calcium and magnesium (Huang, Argo and Fisher, 2008)
Fertilizer injection simplified (1983)
Review of factors which affect blind shoot development in flowering crops (Erwin, 1990).
Determination of photoperiodic response group and effect of supplemental irradiance of flowering of several bedding plant species (Erwin and Warner, 2001).
How does daylength affect flowering of spring annuals? (Erwin, Warner and Mattson, 2002).
Fundamentals of flowering in plants: Supplemental lighting and earliness of flowering (Erwin, Mattson and Warner, 2004).
Fundamentals of flowering in plants: Juvenility in seed-propagated annuals and how supplemental lighting can affect it. (Erwin, Mattson and Warner, 2003).
Daylength effects on bedding plants I (Erwin, Warner and Mattson, 2004)
Hand watering, booms, sprinklers or drop? (Elliot and Mattson, 2012)
Hanging Basket Production
Hanging basket production in northern climates (Erwin, 1994).