摘要 |
A 0-21-0-9 Mg liquid mixed fertilizer is prepared by adding powdered magnesium hydroxide and an equal amount of water to a dilute solution of phosphoric acid in a plurality of addition steps. A dispersing powder and an emulsifying agent are then added to increase the storage life of the fluidized fertilizer. In a second example dilute sulfuric acid is added to the mixture along with citric acid.
|