Jenkinson, D.S. & Johnston, A.E. (1977) Soil organic matter in the
Hoosfield continuous barley experiment. Rothamsted Experimental
station, Report for 1976, part 2: 87-101.
Lawes Gilbert (1895) Trans. R. Highld. Agric. Soc. Scotl. Ser. J. 5,7:
68-100.
Rothamsted Experimental Station (1968) Details of the classical and
long-term experiments up to 1967. Lawes Agricultural Trust,
Harpenden, U.K., 128pp.
Rothamsted Experimental Station (1977) Details of the classical and
long-term experiments 1968-1973. Lawes Agricultural Trust,
Harpenden, U.K., 77pp.
Russell, E.J. & Watson, D.J. (1938-39) The Rothamsted Field Experiments
on Barley 1852-1937. Emp. J. Exp. Agric. 6: 268-292,
293-314 Emp. J. Exp. Agric. 7: 193-220.
Warren, R.G. & Johnston, A.E. (1967) Hoosfield Continuous Barley.
Rothamsted Experimental Station, Report for 1966, part 2:
320-338.