Benzylpropargylether as nitrification inhibitors

A method for reducing nitrification, comprising treating locus or soil or soil substituents where a plant is growing or is intended to grow with a compound of formula (I)

• selected from a compound of formula (1-8), a compound of formula (1-15):
• wherein:
• the plant and/or the locus or soil or soil substituents where the plant is growing or is intended to grow is additionally provided with a fertilizer;
• and
• the fertilizer is selected from the group consisting of a solid or liquid ammonium-containing inorganic fertilizer;
• a solid or liquid organic fertilizer selected from the group consisting of liquid manure, semi-liquid manure, biogas manure, stable manure, straw manure, worm castings, compost, seaweed or guano;
• and a urea-containing fertilizer.