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Title: Machinery for improved crop establishment in Western Australia / G.P. Riethmuller.
Author: Riethmuller, G. P. (Western Australian Dept. of Agriculture, Merredin) ; Conference on Agricultural Engineering (1990 : Toowoomba, Qld.)
Year: 1990.
Description: p. 40-45.
Subject: Sowing depth. ; Tractors. ; Cultivators. ; Press wheels. ; Western Australia.
Notes: Reprint from : Conference on Agricultural Engineering, Toowoomba, Queensland, 11-14 November 1990.
[Uniform title:Conference on Agricultural Engineering, Toowoomba, Queensland, 11-14 November 1990.]
Type: Book
Abstract: (En)
A farm survey of wheat and lupins showed sowing depth and emergency to be highly variable. Wheat sowing depth ranged from 26 to 69 mm with plant numbers from 59 to 118 plants per square metre. A wheat sowing depth experiment showed short coleoptile wheats to be very sensitive to deep sowing. From this experiment it appears to be within 10 per cent of maximum yield, wheat needs to be sown between 30 and 50 mm depth. A press wheel pressure experiment showed the minimum pressure for loamy sand was 2.4 kg per
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1 On Shelf Pamphlets 631.316(94) RIE [PQ]
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