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由于采用较精细田间作业的中等规模农场和中耕作物生产的增加,使得较大型的机械更为必要。在减少大型农田机具紧实压力的尝试中,轮胎的尺寸和数量也增大了。总的结果是随着负载的增大增加了机轮的通行量。许多反映表土紧实程度并影响作物产量的因子很不好
Larger machinery is needed due to the increased production of medium-sized farms and cultivated crops that use finer field operations. In attempts to reduce the tightening of farm machinery, the size and number of tires has also increased. The overall result is increased wheel throughput as the load increases. Many factors that reflect the degree of topsoil compaction and affect crop yields are not good