Patent ID: 6500222
Filing Date: 2002-12-31
Classification: C05C,C07C

Abstract:
A process for fertilizing a plant, comprising applying a slow-release fertilizer comprised of diureides of dicarboxylic acids of the formula I in whichR is hydrogen or SO2O&ominus;MâŠ•MâŠ• is lithium, sodium, potassium, cesium, ammonium, copper, silver, 0.5 iron, 0.5 calcium, 0.5 magnesium, 0.5 manganese, 0.5 zinc or 0.5 cobalt and X is a saturated or monounsaturated, straight-chain or branched C1- to C8-alkyl which may be interrupted by oxygen or NH and which may have attached to it C1- to C4-alkoxy, hydroxyl and/or amino groups, to an area in which the plant is being cultivated or to the vicinity of the plant root.