The standard harmonizes testing of full width solid fertilizer distributors first to fix the variable conditions of laboratory testing and second, to give guidance for the field testing conditions. The laboratory tests describe the influence of forward speed, flow rate, fertilizer level in hoppers, bumps and transverse tilting.Cross References:BS 410BS 5532BS 5551:Part 3:Section 3.1BS 5861ISO 3339/0ISO 3789ISO 5689ISO 5699ISO 7424