Wheat, Fertilizers, Urea, Application, Ajana (W.A.), Western Australia
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Compared with urea application separate from the seed, urea mixed with wheat seed delayed and reduced wheat germination, and reduced wheat yields, especially at high rates of urea.
Yields were higher where the urea was topdressed immediately before seeding than where it was top-dressed either immediately after, or two weeks after seeding.
Mason, M G.; Parkin, R. J.; and Patrick, H.
"A comparison of methods of urea application at Ajana,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 10
, Article 6.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol10/iss2/6