Point source pollution from greenhouses and nurseries

Here is a link to an interesting article just published in the Journal of Extension titled, The Use of a Non-Point Source Pollution Self-Assessment for Greenhouse and Nursery Operators in California. Raises some good points on greenhouses conducting their own monitoring for excessive fertilization waste and other pollution source points coming from greenhouse and nursery operations.
Want to learn more about pollution prevention? Check out this article from CSU Extension, Pollution Prevention in Colorado Commercial Greenhouses!