美媒称,几个世纪来,人们干大部分农活都要跑腿,走过田间地头给农作物挨个检查野草虫害、土地是否干裂,不放过任何可能的问题。现代机械、土壤检测、计算机和土壤传感器设备让人们能更有效地照管农作物,但仍有许多顾不上的工作。据美国《波士顿环球报》8月24日报道,即使是富有经验的农民也难免在大规模检查时疏忽如土壤缺氮、光合作用减弱等问题。而且,如果 According to the U.S. media, for centuries people have run errands for most of their farm work. They have walked through fields and fields to inspect wildflowers and pests one by one, did the land dry and did not miss any possible problems. Modern machinery, soil testing, computers and soil-sensor equipment allow people to take care of crops more efficiently, but there are still plenty of jobs left to be considered. According to the Boston Globe newspaper reported on August 24, even experienced peasants are inevitably negligent in large-scale inspections such as soil nitrogen deficiency, reduced photosynthesis and other issues. And, if