【摘要】 使用农用无人机对4个玉米品种进行超低空吹风作业，研究不同播种密度下，不同类型玉米倒伏情况及产量变化，为玉米品种抗倒性鉴定探索新的途径。结果表明，农用无人机可模拟6～7级大风，播前旋耕+灌溉后吹风可加大倒伏程度，抽雄前后吹风对于植株高大、气生根发生迟缓的品种影响明显，穗位较低且相对稳定的品种不易导致因倒伏造成的减产。更多还原

【Abstract】 Using agricultural drones to carry out ultra-low-altitude air blowing operations on four maize varieties, the lodging conditions and yield changes of different types of maize under different seeding densities were studied, and a new way is explored for the identification of lodging resistance of maize varieties. The results show that agricultural drones can simulate strong winds of magnitude 6～7. Rotary tillage before sowing + air blowing after irrigation can increase the degree of lodging. Air blowing before and after tasseling has obvious effects on varieties with tall plants and delayed aerial rooting, and the ear position is low and stable varieties are less likely to lead to yield reductions due to lodging.更多还原