Przemysl Chemiczny, Vol.93, No.7, 1231-1234, 2014
Evaluation of the effectiveness of phosphorus-sulfur fertilizers produced on the basis of ground rock phosphate. Part 2. Agronomic efficiency of fertilizers and their impact on the environment
Six granulated fertilizers including compacted rock phosphate, S and molasses were tested on oats and maize in greenhouse expts. The highest total P uptake was obsd. for triple superphosphate and for the fertilizer with P:S ratio 1:3.5. The addn. of molasses was ineffective. No deepsoil penetration of phosphate ions was obsd.