The study found that th« irrigation requirement for moong was relatively very low. Application of irrigation water more than that of the optimum depth. [ 5.0 cm splitted into two intervals, 2.5 cm each at the stages (i) At thirty days after germination, (ii) At flowering stage, yielded 1194 kg per hectare) was not only the wastages of water but yield was also reduced due to more vegetative growth, delay in flowering and shattering of pods.