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Use of porous tubes for measuring water extraction by roots and simultaneous maintaining of soil water potential in growth chamber experiments

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Nosalewicz A., Iijima M., Lipiec J., Krol A.

Acta Agrophysica

2011

tom 18

nr 2[193]

The efficiency of a system based on porous tubes in maintaining soil water potential during water extraction by plants in growth chamber experiment was evaluated. The effect of porous tubes area, soil type and density on water flow through porous tubes as induced by various water potentials was evaluated. The rate of change of soil water potential in response to pressure change depends strongly on the area of ceramic tubes per soil volume. If rapid changes or precise control of soil water potential are needed, the area of ceramic tubes per soil volume should be large. Experiments in which porous tubes are used for maintaining water potential should reach a compromise between plant water demands and permissible disturbance caused by the presence of porous tubes in the soil environment.

Ograniczanie wyników

1 Acta Agrophysica

1 Iijima M.

1 Krol A.

1 Lipiec J.

1 Nosalewicz A.

1 2011

Wyniki wyszukiwania

Use of porous tubes for measuring water extraction by roots and simultaneous maintaining of soil water potential in growth chamber experiments