A raingauge should preferably be fixed________________?
Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ?
When surface of transpiration is submerged under water, then potential evapotranspiration is________________?
The runoff increases with________________?
A current meter is used to measure the__________________?
The kor depth for rice is 190 mm and kor period is 14 days. The outlet factor for this will be_________________?
Optimum depth of kor watering for rice is______________?
Which of the following methods of applying water may be used on rolling land ?
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 slipping of driving wheels of locomotives on the rail surface causes_______________?