Define Hygroscopic And Capillary Waters? Which Is Not Available To Plants And Why

Hygroscopic water refers to the water, which is absorbed from the atmosphere.

These water molecules form a thin film around soil particles.

Capillary water refers to the excess of hygroscopic water, which are held with the force of surface tension by the soil particles and resistant to gravity.

Hygroscopic water is unavailable to plants as these water molecules are held firmly by the soil particle by the attractive forces.

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