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oa Agrochemophysica - Phosphorus studies on Vaalharts soils : II : the evaluation of method of P extraction, by correlation of results with various wheat crop parameters*

Volume 10, Issue 3
  • ISSN : 0302-7112

 

Abstract

*Part of an MSc. Agric. thesis submitted by the senior author to the University of the Orange Free State, Bloemfontein 9301. Five phosphorus extraction procedures, viz. 1 % citric acid, Bray No 2, Olsen, CAL and resin were tested and correlated with P uptake by wheat plants until the piping stage, P concentration at the piping stage, oven dry plant masses at the piping stage, and crop yields. In every case but one the Olsen method correlated best with plant parameters.

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/content/agro/10/3/AJA03027112_369
1978-01-01
2020-09-30

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