The amount of water required to fill up the pore spaces in soil particles by replacing all air held in pore spaces, is known as

Related MCQs

• The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called
• When an oven-dried sample of soil is kept open in the atmosphere, it absorbs some amount of water. This water is known as
• The movement of water through the soil surface into the soil, is called infilteration.
• The maximum depth in soil strata, in which the crop spreads its root system, and derives water from the soil, is called
• Rate of evaporation from a water surface increases if i) difference of vapour pressure between water and air is increased ii) velocity of wind is decreased iii) concentration of soluble solids in water is decreased The correct answer is
• A part of water which will move out of the soil, if proper drainage is provided, is known as gravitational water.
• When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be (where w is unit weight of water and H is the depth of water.)
• The water content at which plants can no-longer extract sufficient water from the soil for its growth, is called
• The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called
• A part of water which exists in the porous space of the soil by molecular attraction, is known as