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美国玉米带各州长期开展玉米高产竞赛。伊利诺斯州农民赫尔曼·沃尔索,20多年来辛勤劳作在农业第一线,探索玉米高产极限,决心摘取玉米高产桂冠。他在培肥土壤、管理耕地上下了很大功夫。随着科技进步,更换良种,改进技术,沃尔索年复一年地刷新自己的高产指标,并多次创造全国的玉米高产纪录。
The United States Corn Belt states have long been high yield of corn competition. Herman Wolso, a farmer in Illinois, has worked hard on agriculture for more than two decades to explore the limit of high yield of corn and is determined to extract the highest yield of corn. He cultivated soil, managed arable land up and down a lot. With advances in science and technology, the replacement of improved varieties and improvement of technology, Wolso has refreshed its high-yielding indicators year after year and has repeatedly created record high-yield corn in the country.