The result showed that organo - inorgano - mixed fertilizer could increase the quantity of availability , strengthen the activity of proteinase , sucrase , urase and peroxidase in the sugarcane roots , and increase the sugarcane yield and sugar content 结果表明,有机无机肥料配施,可提高土壤有效养分的含量,激活土壤蔗糖酶、脲酶、蛋白酶、过氧化物酶的活性,促进甘蔗生长与蔗糖分的累积,对甘蔗增产增糖有积极的作用。