Crop yields can be seriously dented by up to 15% if soils become compacted. Andrew Meredith looks at some solutions being tested in a long-term trial.Switching to controlled traffic farming and reducing tyre pressures have been shown to increase crop yields and cut costs in a major trial, by helping in the battle against compaction.Farm machinery has become bigger and heavier over the years and the resulting soil compaction is now a major problem for cropping, which is estimated to cost ￡400m/year in England and Wales alone.
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机译：如果土壤压实，作物产量可以严重诱惑高达15％。 Andrew Meredith看着一些在长期试验中测试的解决方案。通过帮助对抗压实的战斗来增加作物产量并降低轮胎压力，降低轮胎压力，通过帮助对抗压实的战斗来增加作物产量并降低成本..Farm机械的战斗 多年来变得越来越越来越重，结果土壤压实现在是裁剪的主要问题，估计在英格兰和威尔士均为400米/年。
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