公开(公告)号：US20230271896A1

公开(公告)日：2023-08-31

申请号：US18008974

申请日：2021-06-10

申请人： Tessenderlo Group NV

发明人： Kristof GILS ,  Peter LANDUYT ,  Peter LUTS ,  Nicolas WHITE

IPC分类号： C05G5/12 ,  C05D1/04

CPC分类号： C05G5/12 ,  C05D1/04

摘要： The present invention relates to a fertilizer in granular form comprising within the same granule a mixture of: (A) From 15 to 85 wt % of a potassium sulfate; and (B) From 85 to 15 wt % of at least one salt that is different from (A) and that provides potassium and/or magnesium and/or calcium and/or sulfate; wherein the fertilizer in granular form has—a potassium level (expressed as K2O) of at least 18 wt %, preferably at least 20 wt %;—a chloride level of at most 10 wt %, preferably at most 5 wt %, more preferably at most 3 wt %;—a magnesium level (expressed as MgO) of at most 10 wt %, preferably at most 9.5 wt %. Materials of the invention are free flowing & combine a good nutrient balance with a good hardness and wear resistance.