公开(公告)号：WO2021076458A1

公开(公告)日：2021-04-22

申请号：PCT/US2020/055288

申请日：2020-10-12

Applicant: TESSENDERLO GROUP NV

Inventor： OGLES, Charles Zachry ,  WALLACE, Sun Young ,  MUTEAU, Régis

IPC: C05C1/00 ,  C05C3/00 ,  C05C9/00 ,  C05D9/02 ,  C05G3/90 ,  C05C3/005 ,  C05C9/005

Abstract: The present invention relates to a process for inhibiting, at least in part, nitrification activity of ammonium-containing fertilizers (a1) and/or of ammonium-producing fertilizers (a2), which process comprises the steps of: a) Applying to soil and/or to foliage a nitrification inhibitory amount of one or more compounds (b) that are selected from the group consisting of (b1) polysulfides and/or (b2) thiosulfates and/or (b3) hydrosulfides; b) Wherein the one or more compounds (b) are applied simultaneously with, before or after the fertilizers (a) are applied to the soil and/or to the foliage such that the compounds (b) are in direct contact with the ammonium-containing fertilizers (a1) and/or the ammonium-producing fertilizers (a2); c) Wherein the one or more nitrification inhibiting compounds (b) are applied in an amount: i. such that the ratio (w/w) of "total protectable nitrogen"over "sulfur from compounds (b)" is at most about 8:1, preferably at most about 7.5:1, more preferably at most about 7:1, and/or, ii. corresponding to a soil level of S (sulfur) that is between about 50 and about 300 ppm, preferably between about 75 and about 300 ppm, more preferably between about 100 and about 250 ppm; and d) Wherein compounds (b) are different from compounds (a).