Citation

Smith CJ , Freney JR , Chalk PM , Galbally IE , McKenney DJ Cai GX (1988) Fate of urea nitrogen applied in solution in furrows to sunflowers growing on a red-brown earth: transformations, losses and plant uptake. Crop and Pasture Science 39, 793-806.

https://doi.org/10.1071/AR9880793