Crop performance and soil conditions on imperfectly drained loams after 20–25 years of conventional tillage or direct drillingB.C. Ball, M. F. Franklin, E.A.G. Robertson et al.|Soil and Tillage Research|1994Cited by 47
Cultivation and nitrogen requirements for continuous winter barley on a gleysol and a cambisolB.C. Ball, M. F. Franklin, Robert W. Lang et al.|Soil and Tillage Research|1989Cited by 37
Response of urinary and plasma purine derivatives to various rates and infusion patterns of purines in sheep nourished by intragastric infusionX. B. CHEN, David J. Kyle, P. O. Mawuenyegah et al.|The Journal of Agricultural Science|1997Cited by 22
Lessons from a 26-year tillage experiment on cerealsB.C. Ball, B.D. Soane, J. C. Holmes et al.|Unknown|1994Cited by 4