Free Flowing (Fertiliser)
Free Flowing (Fertiliser) : A fertiliser may be said to be free flowing when: (1) it can be discharged as a dry powder from an aircraft hopper, in the form intended, without compacting and blocking in the throat of the hopper; (2) it can be discharged as a dry powder from an aircraft hopper, in the form intended, without sticking and blocking in the throat of the hopper; (3) it has passed the field test [in the industry guideline]