Effect of sowing time x seed rate x herbicides on ryegrass management in barley

Investigate the impact of sowing time, seed rate and herbicide treatments on the management of annual ryegrass in barley in a low rainfall environment.本数据集旨在探究低降雨环境下，播种期、播种量与除草剂处理方案对大麦田中一年生黑麦草（annual ryegrass）综合治理的影响。