Highland barley field irrigation and drainage method and application thereof

The invention relates to the technical field of highland barley production and cultivation, in particular to a highland barley field irrigation and drainage method and application thereof. Uniformly applying a base fertilizer to a field; the method comprises the following steps of: arranging an irrigation channel on one side with higher terrain, arranging a drainage channel on one side with lower terrain, measuring the total length and the total width of a field, combining the width of a ditching operation machine, dividing the field into furrow surfaces with proper width along the length direction of the field by adopting a manual marking mode, reserving longitudinal furrows between the furrow surfaces, and planning a transverse furrow at each of two ends of the field; sowing on the set furrow surface by adopting a sowing machine; and digging drainage ditches after sowing. The method not only can effectively avoid the occurrence of rotten seeds and no seedlings in low-lying places caused by irrigation in the