不同缓控释氮肥对坝上错季白萝卜产量、品质及氮素利用效率的影响  

Effect of Different Slow Release Nitrogenous Fertilizers on Yield,Quality and N-use Efficiency of Stagger-season White Radish in Bashang

作　　者：王倩倩[1,2] 刘树庆[1,2] 宁国辉[1,2] 邵蕾 牛秀芬 杨树深[1,2] 孙洪欣[1,2] 孙月美[1,2] 

机构地区：[1]河北农业大学资源与环境科学学院,河北保定071001 [2]河北省农田生态环境重点实验室,河北保定071001 [3]张家口市农牧局,河北张家口075000 [4]尚义县农牧局,河北张家口076750

出　　处：《北方园艺》2015年第16期161-165,共5页Northern Horticulture

基　　金：河北省农业综合开发土地治理科技推广资助项目

摘　　要：以白萝卜为试材,通过田间小区试验研究了不同缓控释氮肥对坝上错季白萝卜产量、品质和氮素利用效率的影响。结果表明:配比为N-P2O5-K2O:16-8-18的缓控释氮肥产量和经济效益均为最高,与复混肥相比分别提高8.43%、9.63%;干物质和氮积累量最低,与复混肥相比分别降低13.33%、5.50%;配比为N-P2O5-K2O:16-8-18的缓控释氮肥氮素利用效率表现优良。缓控释氮肥对错季蔬菜白萝卜品质的影响符合出口标准,聚类分析结果显示配比为N-P2O5-K2O:16-8-18的缓控释氮肥为优质肥料,故推荐当地种植白萝卜时施用配比为N-P2O5-K2O:16-8-18的缓控释氮肥。White radish was used to study the effect of different slow release nitrogenous fertilizers on yield,quality and N-use efficiency of stagger-season white radish in Bashang in a field plot experiment.The results showed that when the slow release nitrogenous fertilizer ratio was N-P2O5-K2O：16-8-18,the white radish got the maximum yield and economic benefit,increased by 8.43% and 9.63% than compound fertilizers,respectively,and the minimum dry matter and N-accumulation decreased by 15.38%and 14.05%than compound fertilizers,respectively.The quality of stagger-season white radish of different slow release nitrogenous fertilizers was in conformity with export standards.The slow release fertilizer of N-P2O5-K2O：16-8-18 had high N-utilization efficiency and cluster analysis showed that it was valuable fertilizer.So it was recommended for local radish farmers to use slow release fertilizer of N-P2O5-K2O：16-8-18.

关 键 词：缓控释氮肥 白萝卜 产量 品质 氮素利用效率 

分 类 号：S631.106.2[农业科学—蔬菜学]