At different phosphorus levels, pot experiments, in different irrigations (normal water supply, medium drought stress, drought stress), were carried out to determine the varieties of root hydraulic conductance (Lpr) of barley in a pressure chamber. The result showed that under different water conditions, the Lpr of non-phosphorus treatment was always strongly lower than that of P-treatment seedlings, and even under the condition of normal water supply the former was only 19% of the latter. It indicated t...
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