Large Urea Granules for Broadcast Application for No-till Cropping - University of Alberta, Ellerslie, AB
Large and regular sized urea applied with and without urease and nitrification inhibitors, surface applied in fall or spring under no-till cropping.
IPNI-2009-CAN-AB27
25 Sep 2009
References
Engle, R 2008. Study provides a first look at ammonia volatilized from surface applied urea. http://www.montana.edu/cpa/news/nwview.php?article=6007
Engel, R, 2009. On-farm study measures ammonia volatilization losses from urea fertilizer. http://www.montana.edu/cpa/news/nwview.php?article=7286
Goos R. J. and B.E. Johnson. 1993, Effect of urea pellet size and dicyandiamide on residual ammonium in field micro plots. Commus. Soil Sci. Plant Anal., 24 (5&6), 397-409.
Mahli S.S. and M. Nyborg. 1985. Methods of placement for increasing the efficiency of N fertilizers applied in the fall. Agron. J. 77:27-32.
Nyborg M. and S.S. Malhi. 1979. Increasing the efficiency of fall-applied urea fertilizer by placing in big pellets or nests. Plant Soil 52: 461-465.