oa Agrochemophysica - Research note : the leaf water potential - leaf diffusive resistance relationship of a wheat crop

Volume 13, Issue 2
  • ISSN : 0302-7112



The relationship between leaf diffusive resistance and leaf water potential of Turpin-4 spring wheat was examined with a view to obtaining a mathematical expression reliable enough for incorporation in a mathematical simulation model for crop behaviour. Such a model could be applied to irrigation scheduling. The experimental values fitted two mathematical expressions: an exponential relationship with a critical value of �2 MPa and a linear relationship below a critical value o f �1,2 MPa.

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