{TAIL ~ Yet another aspect} of this invention relates to {HEAD ~ a composition} comprising a urease inhibiting effective amount of one or more oxidized diaminophosphinyl sulfur derivatives, which composition is useful for carrying out the aformentioned method 
{ TAIL ~ Yet another aspect } of this invention relates to { HEAD ~ a composition } comprising a urease inhibiting effective amount of one or more oxidized diaminophosphinyl sulfur derivatives , which composition is useful for carrying out the aformentioned method
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