Effect of the nitrification inhibitor on the utilization of added nitrogen by winter wheat

analyse de sol application rates automne autumn azote brassica crop yield cultivos de invierno culture d'hiver dose d'application grain granos nitrification inhibitors nitrogen nitrogen content paille paja rendement des cultures rendimiento de cultivos rotation culturale rotational cropping soil testing straw teneur en azote triticum aestivum urea uree winter crops