Hygroscopic water | Article about hygroscopic water by The Free Dictionary
hygroscopic water[¦hī·grə¦skäp·ik ′wȯd·ər]
The component of soil water that is held adsorbed on the surface of soil particles and is not available to vegetation.
References in periodicals archive
The percentages of OM in the biomass samples were found by the amount of ash at 850[degrees]C  and hygroscopic water
, and for the oil shales by ash of the acid-treated samples counting the contributions of hygroscopic water
5 percent for Test 1 is the hygroscopic water
content, the lowest value possible without oven drying.