In Part 2 of our three-part series on late-season fertilization, Bob Raley, an agronomist with Agrium Advanced Technologies, continues his explanation of “enhanced-efficiency fertilizers” by going more in-depth on “controlled-release fertilizers” (one type of EEF). Learn about these products’ unique polymer coating, gradual nutrient release, and improved environmental and agronomic benefits.
Why Controlled-Release Fertilizers Are So Effective
Part 2 of a three-part series on late-season fertilizer application.
Dec 7, 2012
Latest in Lawn Care


![Optimax Sp 0228[1]](https://img.greenindustrypros.com/mindful/acbm/workspaces/default/uploads/2026/05/optimax-sp-02281.lJdm8xL6hQ.jpg?auto=format%2Ccompress&fit=crop&h=100&q=70&w=100)







![Optimax Sp 0228[1]](https://img.greenindustrypros.com/mindful/acbm/workspaces/default/uploads/2026/05/optimax-sp-02281.lJdm8xL6hQ.jpg?ar=16%3A9&auto=format%2Ccompress&fit=crop&h=135&q=70&w=240)








