广西甘蔗专用肥研制及肥效验证研究  

Studies on special fertilizer for sugarcane and its effects on sugarcane in Guangxi

作　　者：陈引芝 游建华 樊保宁 

机构地区：[1]广西甘蔗研究所,南宁530007

出　　处：《广西农业科学》2008年第1期70-74,共5页Guangxi Agricultural Sciences

摘　　要：为了研制适合广西不同蔗区使用的甘蔗专用肥,在采样检测分析南宁市部分蔗区土壤养分状况的基础上,进行N、P、K缺素试验,测算出三要素土壤原料蔗生产能力分别为64.275、71.445和64.800t/hm2,根据广西旱地甘蔗模式施肥公式,计算出甘蔗产量达到90.000t/hm2时,对N、P2O5、K2O的需要量分别为225.07、179.95和225.06kg/hm2,参考GB15063-2001复混肥料技术标准,初步设计甘蔗专用肥配方养分总量为28%,N∶P2O5∶K2O=10∶8∶10。依此配方生产样肥在蔗区进行肥效验证,比对照增产、增糖分别为21.47%、0.65%(绝对值),增产极显著。由此确定南宁市部分蔗区的甘蔗专用肥配方,可提供给生产企业进行产业化生产与推广应用。In order to study special fertilizer suitable for sugarcane in different planting areas of Guaugxi, the deficiency experiments of macronutrient, namely N, P and K were conducted on the basis of the analysis of soil nutrient status in parts of sugarcane planting areas in Nanniug. The results showed that the millable cane productivity for N, P, K in the soil was 64. 275t/hm^2, 71.445t/hm^2, and 64. 800 t/hm^2, respectively. According to the fertilizing model of sugarcane on upland in Guangxi, when the yield of sugarcane reached 90 t/hm^2, the demand of N, P2O5, K2O was 225.07 kg/hm^2, 179.95 kg/hm^2 and 225.06 kg/hm^2, respectively. On the basis of the technological standard of compound fertilizer GB15063-2001, the total nutrient content of the special fertilizer for sugarcane was designed to be 28% and the ratio of N, P2O5 and K2O was 10：8： 10. Then, the effects of the designed special fertilizer were verified in sugarcane planting areas, and the yield and sugar content of sugarcane increased 21.47 % and 0.65 % （absolute value）, respectively, as compared to the control; and the yield increased significantly. Therefore, the formula of sugarcane special fertilizer in parts of sugarcane planting areas in Nanniug was determined and could be provided reference for manufacturers in the industrialized production and extension.

关 键 词：甘蔗专用肥 配方试验 肥效验证 

分 类 号：TQ444.5[化学工程—化学肥料工业] S147.4[农业科学—肥料学]