基于缺素试验的甘蔗专用肥三要素参数及配方验证  

The Three Elements’ Parameters of Sugarcane Special Fertilizer and the Verification of the Pre-Designed Fertilizer’s Effects Based on the Element Deficiency Experiments

作　　者：游建华[1] 樊保宁[1] 陈引芝[1] 周会[1] 

机构地区：[1]中国农业科学院甘蔗研究中心/广西甘蔗研究所,南宁530007

出　　处：《湖北农业科学》2009年第4期819-822,共4页Hubei Agricultural Sciences

基　　金：广西自然科学基金项目(桂科自0135017);中国农业科学院甘蔗研究中心科技发展基金资助项目

摘　　要：进行N、P、K缺素试验,测算出三要素土壤原料蔗生产能力每公顷分别为69510kg、61650kg、65640kg。根据广西旱地甘蔗模式施肥公式,计算出针对该蔗区目标产量每公顷达到90000kg时,N、P2O5、K2O三要素吸收参数分别为179.27kg、274.94kg、217.56kg,根据GB15063-2001复混肥料技术标准,初步设计针对该蔗区甘蔗专用肥配方养分总量为30%,N∶P2O5∶K2O=8∶12∶10。依此配方生产样肥在该蔗区进行肥效验证,比对照增产、增糖分别为21.4%、0.43%(绝对值)。The effects of different nutrient contents showed that the throughput of cane corresponding to N, P and K soil were 69 510 kg,61 650 kg and 65 640 kg per hm^2 respectively. On the basis of the model and parameter for fertilizing on upland in Guangxi, considering the target yield at 90 000 kg per hm^2, the quantity demanded of N ,P2O5 ,K2O was 179.27 kg, 274.94 kg and 217.56 kg per hm^2 respectively. For this, the total nutrient content of the sugarcane special fertilizer was designed to be 30% and the ratio of N,P2O5 and K2O was 8：12：10 on the basis of compound fertilizer＇s technical index GB15063-2001. Then, the effects of the designed special fertilizer were tested in cane growing areas. The results showed that the cane yield and sugar content was 21.4% and 0.43% higher than that of the control （absolute value） respectively. Finally, the formula of sugarcane special fertilizer in parts of Chongzuo sugarcane growing areas was determined, on the basis of the data from the inspection.

关 键 词：甘蔗专用肥 缺素试验 三要素参数 配方肥效验证 

分 类 号：S566.1[农业科学—作物学]