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Title: Spatial variation of soil test P and K in soils of Western Australia / M.D.A. Bolland, R.F. Brennan and D.G. Allen.
Author: Allen, D. G. (Chemistry Centre of Western Australia, East Perth) ; Brennan, R. F. (Agriculture Western Australia, Albany) ; Workshop on Potassium in Australian Agriculture (1st : 1997 : Geraldton, W.A.) ; Bolland, M. D. A. (Michael David Anthony), 1946- (Agriculture Western Australia, Bunbury)
Year: 1997.
Description: p. 95-102.
Subject: Western Australia. ; Phosphorus. ; Soil testing. ; Potassium. ; Soil test values. ; South west region (W.A.). ; Fertilizer requirement determination.
Notes: 4 tables.
7 refs.
(En)
[Uniform title:Proceedings of the First Workshop on Potassium in Australian Agriculture African Reef Resort, Geraldton, Western Australia, 3-4th October, 1997.]
Type: Book
Abstract: (En)
Spatial variation of bicarbonate soil test phosphorus (P) and bicarbonate soil test potassium (K) was studied by measuring soil test values for 40 individual soil samples collected from random locations within eight uniform 100 m by 100 m field sites in south-western Australia. Spatial variation was found to be large, with coefficient of variation exceeding 20% in most cases, and 50% in some cases. It is therefore essential to collect an adequate number of soil samples from uniform areas in paddocks in or
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