Impact of impulse irrigation in different phases of the growing season on rice yield in the Krasnodar Territory

The article presents a study of water consumption rice crops during periodic watering in various interphase periods the growing season. experiments were carried out on plot 21.2 hectares rice-growing enterprise RBF "Krasnoarmeysky", geographically located Kuban irrigation system. object was an intensive variety Rapan Russian selection. subject regime season rice. It found that transition to intermittent "germination-tillering", "tying-flowering" and "ripening" allowed reduce rate by 2122.83, 949.66 279.32 m3/ha, or 11.4, 5.1, 1.5%, respectively, compared traditional methods irrigation. results harvesting grains showed average yield according experiment 75.7 c/ha, which is more than control 1.2 c/ha. Additional profit from increase experimental variants ranged 1,440 rubles/ha 2,880 rubles/ha, net - 480 rubles / ha 960 rubles/ha.