Information below focuses on water, media and pH considerations when growing greenhouse and nursery crops.  More specific crop information on plant nutrition can be found in the drop down menus above specific to each crop type grown.

Media:
Bedding plant media evaluation (Schwarze, 1991).
How pine wood chips in substrates affect plant growth regulators (Owen et al., 2014)
Liming requirements and pH modification for pine wood chips as an alternative to perlite (Owen at al., 2014)
When to fertigate:  The influence of substrate moisture content on nutrient retention in containerized crop production (McPherson et al., 2015)
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Soil Calibration:
Calibration is critical in soil mixing (Broersma-Neujahr, 2020).

Wood Chips/Substrates:
The processing and properties of pine wood chips (Owen and Jackson, 2014)
​Liming requirements and pH modification for pine wood chips as an alternative to perlite (Owen at al., 2014)
How pine wood chips in substrates affect plant growth regulators (Owen et al., 2014)
Wood substrates:  The plant's prospective (Jackson and Bartley, 2017)
Wood works as a peat option (Jackson, 2016)
Wood substrates: How long can they last for your plants? (Jackson, 2020).
Breaking down wood substrates for container-grown plants (Jackson, 2020).

Water Contaminants:
Pinpointing toxicity in pond water (Fisher, 2016)
Assessing irrigation water quality for pH, salts, & alkalinity (Park et al., 2014)

Irrigation Pipe Contamination and Biofilm:
Minimize build-up in your water pipes (Fisher and Raudales, 2016)

Water Treatment:
Water management (Biernbaum, 1991).
Using sodium and calcium hypochlorite for water treatment (Fisher et al)
Water qualty and acidification (Schwarze and Erwin, 1992).
Using pond-wetland systems to treat greenhouse runoff (McAvoy and Clausen, 2012)
Assessing irrigation water quality for pH, salts, & alkalinity (Park et al., 2014)
The cost of filtration (Raudales and Fisher, 2017)
Water use and treatment in container-grown specialty crop production:  a review (Majsztrik et al., 2017)
Water treatment for pathogens and algae (Fisher, 2008)
Water quality, growing media, and fertilizer - Navigating the greenhouse Bermuda Triangle.  (Baumbauer).
Irrigation water quality for crop production in the Pacific Northwest (Hopkins et al., 2007).

Alkalinity:
Alkalinity management in soilless substrates (Lopez et al., 2010).

pH Management:
pH management:  problem ID, optimal ranges, and corrective procedures
​Nutrient availablity changes with pH (Erwin, 1999).
​Optimal pH requirements of different species (Erwin, 2002).
Modeling lime reaction in peat-based substrates (Fisher, Huang and Argo, 2006)
Understanding plant nutrition:  Limestone, calcium and magnesium (Huang, Argo and Fisher, 2008)
​Liming requirements and pH modification for pine wood chips as an alternative to perlite (Owen at al., 2014)
​Different types of limestone to increase substrate pH (Lindberg, 2017)
​Commonly used limestones for adjusting pH in greenhouse mixes (Lindberg, 2017)
Advanced pH management (Fisher)
Managing the pH of container media (Fisher and Argo., UNH Cooperative Extension).
Substrate pH:  Getting it right for your greenhouse crops.  Cornell Coop Ext.).

Increasing pH:
Testing and corrective procedures for low substrate pH (Owen, 2017)
​Commonly used limestones for adjusting pH in greenhouse mixes (Lindberg, 2017)
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Decreasing pH:
Different types of limestone to increase substrate pH (Lindberg, 2017)