WANG Qianqian,LIU Shuqing,NING Guohui,et al.Effect of Different Slow Release Nitrogenous Fertilizers on Yield，Quality and N-use Efficiency of Stagger-season White Radish in Bashang[J].Northern Horticulture,2015,39(16):161-165.[doi:10.11937/bfyy.201516039]
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
- Title:
- Effect of Different Slow Release Nitrogenous Fertilizers on Yield，Quality and N-use Efficiency of Stagger-season White Radish in Bashang
- 文献标志码:
- A
- 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。
- Abstract:
- 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.
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备注/Memo
第一作者简介：王倩倩（1990-），女，河北藁城人，硕士研究生，研究方向为土壤与肥料科学及土壤环境质量。E-mail:wangqianqian199010@163.com. 责任作者：刘树庆（1956-），男，河北青县人，博士，教授，博士生导师，现主要从事土壤环境质量与土壤肥料及环境质量评价与监控等研究工作。E-mail:liushuqing2002@163.com. 基金项目：河北省农业综合开发土地治理科技推广资助项目。