<; p >; compositions and methods are disclosed for improving Seed quality.For example, treating a Stand of seed crops with a SEED Crop treatment that includes an effective amount of CYANATE and thiocyanate, an acceptable Salt of CYANATE of thiocyanate, an ester of CYANATE and thiocyanate, an isocyanate or isothiocyanate or Combiantion thereof results in one or more Improv Ed Seed qualities compared to control.The improved Seed qualities may include, but are not limited to, Enhanced Seed vigor, increased quantit <; / p >;<;p>;Compositions and methods are disclosed for improving seed quality. For example, treating a stand of seed crops with a seed crop treatment that includes an effective amount of cyanate, thiocyanate, an acceptable salt of cyanate of thiocyanate, an ester of cyanate or thiocyanate, an isocyanate or isothiocyanate, or a combiantion thereof results in one or more improved seed qualities compared to a control. The improved seed qualities may include, but are not limited to, enhanced seed vigor, increased quantit<;/p>;