INHIBITORS OF SOIL NITRIFICATION AND PROCESSES TO PREVENT SAME

    公开(公告)号:US20240116832A1

    公开(公告)日:2024-04-11

    申请号:US17768254

    申请日:2020-10-12

    CPC classification number: C05G3/90 C05C1/00 C05C9/00 C05G5/36

    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).

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