Dissolved humic substances in water from drained and undrained grazed grassland in SW England

Hayes, T. M., Watt, B. E., Scholefield, D., Clapp, C. E., Swift, R. S. and Skjemstad, J. O. (1997) Dissolved humic substances in water from drained and undrained grazed grassland in SW England. In: Humic Substance in Soils, Peats and Sludges, Health and Environmental Aspects, Royal Society of Chemistry Special Publication 172. Royal Society of Chemistry (RSC), pp. 107-121.