chresardn.

/ˈkriːsɑːd/

Etymology: < Greek χρῆσις use + ἄρδειν to water.

Ecology.

That portion of the water of the soil that is available for vegetation.

ΘΚΠ

the world > the earth > water > [noun] > water in or percolating through soil > specific water content of soil

chresard1905

field capacity1908

wilting coefficient1912

1905 F. E. Clements Res. Methods Ecol. ii. 32 The total amount of water in the soil is divided into the available and the non-available water-content. The terms suggested for these are..holard..chresard..and echard.

1926 A. G. Tansley & T. F. Chipp Aims & Methods Study Vegetation vii. 127 If the echard is subtracted from the holard..the difference is called the chresard (the fraction of the holard which the plant can actually use).

1938 J. E. Weaver & F. E. Clements Plant Ecol. (ed. 2) viii. 203 Obviously the available water or chresard (amount for use) differs for different soils.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).

单词	chresard
释义	chresardn. /ˈkriːsɑːd/ Etymology: < Greek χρῆσις use + ἄρδειν to water. Ecology. That portion of the water of the soil that is available for vegetation. ΘΚΠ the world > the earth > water > [noun] > water in or percolating through soil > specific water content of soil chresard1905 field capacity1908 wilting coefficient1912 1905 F. E. Clements Res. Methods Ecol. ii. 32 The total amount of water in the soil is divided into the available and the non-available water-content. The terms suggested for these are..holard..chresard..and echard. 1926 A. G. Tansley & T. F. Chipp Aims & Methods Study Vegetation vii. 127 If the echard is subtracted from the holard..the difference is called the chresard (the fraction of the holard which the plant can actually use). 1938 J. E. Weaver & F. E. Clements Plant Ecol. (ed. 2) viii. 203 Obviously the available water or chresard (amount for use) differs for different soils. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018). < n.1905
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