The harms of soil compaction represented briefly as soil bulk density and penetration resistance increased , macroporosity decreased , soil physical , chemical and biological properties deteriorated , which effected on crop growing and soil structure degradation , and has become one of the principal obstacle factors for sustainable development of agriculture 土壤機械壓實危害主要表現(xiàn)在土壤容積質(zhì)量和機械阻力增加,大孔隙減少,土壤物理、化學、生物性狀惡化,進而影響作物的生長發(fā)育,土壤結(jié)構(gòu)發(fā)生退化,已成為當前制約農(nóng)業(yè)可持續(xù)發(fā)展的障礙因素之一。