What is the Difference Between Controlled Release and Slow Release Fertiliser?
Do you know the difference between slow-release and controlled-release fertilisers? Although these terms are sometimes used interchangeably, the terms 'slow-release fertiliser' (SRF) and 'controlled-release fertiliser' (CRF) strictly do not mean the same thing – even though both do release plant nutrients at a slower rate than when highly-soluble conventional or 'straight' fertilisers are used. For those who [...]