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South African Journal of Plant and Soil Volume 4, 1987 - Issue 2
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Letters

Reply to ‘Comments on: Season and phosphorus age effects on the relationship between maize yield and phosphorus soil test on a highly weathered soil’

M. P.W. FARINA Summer Grain Sub-Centre, Private Bag X9059, Pietermaritzburg, 3200
&
P. CHANNON Summer Grain Sub-Centre, Private Bag X9059, Pietermaritzburg, 3200
Page 103 | Published online: 15 Jan 2013

References

  • Bray , R. H. 1961 . You can predict fertilizer needs with soil tests . Better Crops Plant Food , 45 : 18 – 19 . 25–27

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