Lawn moss control with ferric ammonium sulfate-ammonium sulfate double salts

摘要

Lawn moss is controlled with an herbicidally effective amount of granular ferric ammonium sulfate-ammonium sulfate double salts of the empirical formula (NH.sub.4).sub.3 Fe(SO.sub.4).sub.3.xH.sub.2 O wherein x is 0 to 12. The double salts also provide excellent greening of the treated lawn.