(Soil water) Water diffused in the soil, the upper part of the zone of aeration from which water is discharged by the transpiration of plants or by soil evaporation See Field-moisture capacity and Field-moisture deficiency
Water diffused in the soil It is found in the upper part of the zone of aeration from which water is discharged by transpiration from plants or by soil evaporation
Moisture contained in the soil above the water table, including water vapor which is present in the soil pores In some cases this term refers strictly to the humidity contained in the root zone of plants
Data indicating the moisture content of the soil and, conversely, how much may be absorbed by the soil The amount of water not absorbed runs off the land into streams