Use of dicarboxylic acid diureides as slow-release fertilizers, and optionally as sulfamate derivatives, with good plant tolerance and require only one application per season

摘要

Use of dicarboxylic acid diureides (I) as slow-release fertilizers is new. Use of dicarboxylic acid diureides of formula (I) as slow-release fertilizers is new. R = hydrogen or SO2O<->M<+>; M = equivalent of lithium, sodium, potassium, ammonium, copper, silver, iron, calcium, magnesium, manganese, zinc or cobalt; X = 1-8C alkyl, saturated or with one unsaturated bond, optionally interrupted by oxygen or NH, and optionally substituted by 1-4C alkoxy, hydroxy and/or amino An Independent claim is also included for the production of (Ia).