The water utilizable by plants is available in soils mainly in the form of

Related MCQs

• 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
• Sandy soils with good drainage become impermeable after prolonged use, if it is irrigated with a water containing
• 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
• Capillary water is a useful soil moisture for the growth of plants.
• The process of loosing water from the leaves of plants, is termed as
• According to Khosla's theory, the critical hydraulic gradient for alluvial soils is approximately equal to
• For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of
• The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as
• The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000)willbe