I38ZP9992A 441 Magnesium 441 Journal Article 439 Research Support, Non-U.S. Gov't 199 Calcium 132 SY7Q814VUP 132 Phosphates 61 mehr ... Potassium 61 RWP5GA015D 60 27YLU75U4W 48 Phosphorus 48 Water Pollutants, Chemical 44 AW3EJL1462 41 Struvite 41 Magnesium Compounds 39 9NEZ333N27 34 Sodium 34 059QF0KO0R 32 Water 32 Research Support, U.S. Gov't, Non-P.H.S. 30 N762921K75 28 Nitrogen 28 J41CSQ7QDS 27 Zinc 27 Aluminum 26 CPD4NFA903 26 Calcium Carbonate 26 H0G9379FGK 26 Soil 23 Sewage 22 weniger ...