PREPARATIONS WITH IMPROVED UREASE-INHIBITING EFFECT AND UREA-CONTAINING FERTILIZERS CONTAINING THE SAME

摘要

PROBLEM TO BE SOLVED: To improve nitrogen utilization when employing urease inhibitors in fertilization with urea or urea-containing fertilizers, and to reduce the required application rates of urease inhibitors.SOLUTION: The invention relates to: preparations with improved urease-inhibitory effect which comprise at least two different (thio)phosphoric triamides; and urea-containing fertilizers which comprise the preparations. The invention further relates to: a method of preparing the preparations; the use of the preparations in fertilization with the urea-containing fertilizers; and the use of the urea-containing fertilizers which comprise the preparations in agriculture or in horticulture.