Ricinus communis, Variety trials, Wokalup (W.A.), Western Australia
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Last Page Number
"Castor beans in trial plantings : Bundidup Research Station, Wokalup, 1959-60,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 2
, Article 5.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol2/iss3/5