3,4-Dimethylpyrazole phosphate (DMPP)--a new nitrification inhibitor for agriculture and horticulture: an introduction
2001
Zerulla, W. | Barth, T. | Dressel, J. | Erhardt, K. | Locquenghien, K.H. von | Pasda, G. | Radle, M. | Wissemeier, A.H.
3,4-Dimethylpyrazole phosphate (DMPP) is a new nitrification inhibitor with highly favourable properties. It has undergone thorough toxicology and ecotoxicology tests and application-technology experiments, and has been shown to have several distinct advantages compared to the currently used nitrification inhibitors. Application rates of 0.5-1.5 kg ha(-1) are sufficient to achieve optimal nitrification inhibition. DMPP can significantly reduce NO3- leaching, without being liable to leaching itself. DMPP may reduce N2O emission, apparently without a negative effect on CH4 oxidation of the soil. The use of DMPP-containing fertilizers can improve yield. This offers the possibility of saving mineral fertilizer N, reducing the number of N-application rounds, and obtaining higher crop yields with current fertilizer-N rates.
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