红壤旱地广薯87号和泉薯9号的生长及养分吸收特性研究  

Study on Growth and Nutrient Absorption Characteristics of Guangshu No.87 and Quanshu No.9 in Red Soil Upland

作　　者：王芳东[1,2] 张杰[3] 秦文婧[2] 刘佳[2] 谢杰[2] 徐昌旭[2] 肖林长[1] 熊春晖[1] 

机构地区：[1]江西省赣州市农业科学研究所,江西赣州341000 [2]江西省农业科学院土壤肥料与资源环境研究所/国家红壤改良工程技术研究中心/农业部长江中下游作物生理生态与耕作重点实验室,江西南昌330200 [3]南昌工程学院,江西南昌330099

出　　处：《江西农业学报》2016年第6期27-30,共4页Acta Agriculturae Jiangxi

基　　金：国家科技支撑计划项目(2012BAD05B04);江西省青年科学基金项目(20142BAB214005);江西省科研院所基础设施配套项目(20133BBA13025);江西省农业科学院创新基金(青年基金)项目(2012CQN002;2014CQN009)

摘　　要：通过田间小区试验研究了广薯87号和泉薯9号在江西东乡红壤旱地上的生长及养分吸收特性。结果表明:泉薯9号的薯块生物量及产量均高于广薯87号的,其薯块生物量高速累积期更长,蔓藤长度和分枝长度更长,但广薯87号的分枝数和叶片数较多;广薯87号各器官的氮素含量显著高于泉薯9号的,其蔓、薯块中的钾素含量也明显高于泉薯9号的,但在两个品种间各器官磷素含量差异不大;施肥对泉薯9号的增产效果更加明显,但广薯87号对养分的转化能力更强。Plot experiments were carried out to study the growth and the nutrient absorption characteristics of Guangshu No.87 and Quanshu No. 9 in red soil upland in Dongxiang county of Jiangxi province. The results showed that the yield and potato tuber biomass of Quanshu No. 9 with longer main stem and first branch were more than those of Guangshu No. 87,but the number of the first branch and leaf of Guangshu No. 87 were much more than those of Quanshu No. 9. The nitrogen content in different organs of Guangshu No. 87 was higher than that of Quanshu No. 9,and the potassium content was higher than that of Quanshu No.9,But the phosphorus content between two varieties existed little difference. The yield increasing effect was more significant for Quanshu No. 9,while the ability of nutrition transformation of Guangshu No. 87 was stronger.

关 键 词：广薯87号 泉薯9号 生长 养分吸收 红壤旱地 

分 类 号：S531.01[农业科学—作物学]