1. Effectiveness of acetylene inhibition of N2O reduction for measuring denitrification in soils of varying wetness;Aulakh;Communications in Soil Science and Plant Analysis,1990
2. Nitrogen balance in urine-affected areas of a New Zealand pasture;Ball;Agronomy Journal,1979
3. Ball, P.R., Keeney, D.R., 1983. Nitrogen losses from urine-affected areas of a New Zealand pasture, under constraining seasonal conditions. In: Proceedings of the XIV International Grasslands Congress, pp. 342–344
4. Nitrogen relationships in intensively managed temperate grasslands;Ball;Plant and Soil,1984
5. Bran and Luebbe, 1990. Operation manual for Bran and Luebbe TRAACS 800 Continuous-Flow Analytical System. Publication No. DSM-0005-02. Methods No. 353-87E and 353-87E. Bran and Luebbe, Beechwood Chineham Business Park, Basingstoke, Hants RG2 4OWA, UK