Granules for soil improvement and fertilizing composed of a mixture of slurry with sea or river silt and organic or inorganic additives

摘要

Granulate material to improve the soil and provide a natural fertilizer is a mixture of slurry with sea or river silt and additives selected from polymer or mineral solution, an organic liquid, potash, an inorganic fertilizer of magnesium oxide (from magnesium sulfate e.g. kieserite) or nitrogen (from urea).