Ponds & reservoirs
What's the difference between surface-flow and subsurface- flow constructed wetlands, and which should I use?
How large does my constructed wetland need to be?
Who can I go to for advice on installing a constructed wetland to clean up our runoff water.
How much maintenance is required to keep constructed wetlands working?
What steps do I need to take to install a constructed wetland?
What type of plants should I use to establish constructed wetlands?
Have other nurseries installed constructed wetlands to treat runoff water?
Do constructed wetlands remove pesticides?
Do constructed wetlands remove nutrients from nursery runoff?
Workshops, conferences and outreach
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Control pH & salts
Will reclaimed water hurt my plants?
What salinity level is harmful to plants?
How can I reduce salts in a flood floor watering system?
Is the pH of my water too high?
How much acid needs to be added to control alkalinity of my irrigation water?
Do you have any suggestion on what acid to use to lower pH so that we can use ethephon?
Why is the pH of my pond so much higher in the afternoon?
Should I add acid and chlorine into my pond?
Why is pH control important?
Monitor quality
How do I collect a water sample to submit it for analysis?
Where can I get my irrigation water checked for Pythium or Phytophthora spores?
Why is the pH of my pond so much higher in the afternoon?
Conserve water
What is a good source of information about best management practices to conserve water?
Are soil moisture sensors reliable enough to control irrigation in container nurseries?
What resources are available to help me in planning and funding irrigation improvements at my nursery?
Do plant consumers care about the water I use in plant production?
How do I determine my annual irrigation costs?
Contaminants: nutrients and agrichemicals
What are the options for removing nutrients from my irrigation water?
What properties need to be considered when choosing an ultracarb filter?
What are slow sand filters?
Do constructed wetlands remove pesticides?
Do constructed wetlands remove nutrients from nursery runoff?
Contaminants: particles and debris
Why should I care about particle filtration?
What is clogging my irrigation drippers?
Is duckweed bad for my pond? Do I need to control it?
Contaminants: pathogens and biofilms
Which water treatment technology should I use to control pathogens?
How do I know if I am adding enough chlorine into my irrigation water to control plant pathogens?
Do constructed wetlands remove pathogens?
When you treat the irrigation water to kill pathogens with quaternary ammonium compounds, for example, won't the residual present in the water kill the good microflora in the pots?
Material on this site is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture, under award number 2014-51181-22372.