Attention should also be given to other measurements that may assess the risk of leaching such as mineral N levels at harvest, and the effects of existing or proposed regulations regarding N fertilisation. Fertiliser use on farm crops in England and Wales 1990. In Survey of fertiliser practice. Journal of Horticultural Science 72. E.C. Standards for Fresh Cauliflowers Booklet 2213.
Nitrogen residues from brassica crop.
AAB Nitrates and Farming Conference, June 1992. Effects of nitrogen fertilization on growth parameters and soil nitrogen depletion in cauliflower. Acta Agric Scand., Sect.