Retention of cereal stubbles can reduce leaf disease in lupins but increase leaf disease in cereals. The extent of cereal disease carry-over in stubbles depends on the locality and whether multiple cropping or crop rotation is practised
Sweetingham, Mark; Loughman, Robert; and Jarvis, Ron
"Stubble retention and leaf disease in lupin and cereal crops,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 33
, Article 4.
Available at: http://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol33/iss1/4