holard

From Ancient Greek ὅλος (hólos, “whole”) + ἄρδω (árdō, “to water, to irrigate”).

holard (plural holards)

(dated) The total water content of a sample of soil
- 1916, Frederic Clements, Plant Succession: An Analysis of the Development of Vegetation, page 439:
  Methods of determining the holard are so numerous and so simple as to need little comment.
- 1929, Harvey Stallard, Secondary Succession in the Climax Forest Formations of Northern Minnesota, page 506:
  The holard of clays ranges from 20 to 60 per cent during the growing season.

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