甘蔗分蘖期施用硼、锌、硼 +锌 ,都能促进有效茎的形成。分蘖期施锌、锌加硼及大生长期施硼的茎径、茎长、产量均比对照高。前期、伸长期施用硼肥或前期施用锌肥 ,对甘蔗叶片的叶绿素含量、多酚氧化酶、过氧化物酶活性有较大影响。各处理都能提高甘蔗产量 ,前期单施锌和锌加硼处理能够提高甘蔗品质 Application of boron, zinc, boron and zinc at the tillering stage of sugarcane can promote the formation of effective stems. At the tillering stage, the stem diameter, stem length and yield of applying zinc, zinc and boron during the growth period were higher than those of the control. Pre-and post-application of boron fertilizer or pre-application of zinc fertilizer during elongation phase had a significant effect on chlorophyll content, polyphenol oxidase and peroxidase activity of sugarcane leaves. All treatments can improve sugarcane production, the previous application of zinc and zinc plus boron can improve the quality of sugarcane