LIU Lijuan,ZHANG Baoguo,WANG Hongwei.Research on the Rule of Absorbing Fertilizer of Dictamnus dasycarpus[J].Northern Horticulture,2016,40(02):149-151.[doi:10.11937/bfyy.201602039]
白鲜吸肥规律研究
- Title:
- Research on the Rule of Absorbing Fertilizer of Dictamnus dasycarpus
- 文献标志码:
- A
- 摘要:
- 以移栽3年的人工栽培白鲜为试材，采用常规方法测定不同生长时期内白鲜全株氮、磷、钾养分含量并分析其变化规律，研究白鲜对氮、磷、钾的吸收特点。结果表明：在通化地区，生长季内氮、磷、钾的吸收量N∶P2O5∶K2O=7.8∶1.0∶5.8。5月初至7月上旬白鲜对氮、磷、钾吸收量均呈上升趋势，钾在7月6日，氮在7月21日达全年吸收量高峰；氮、钾在峰值后吸收量下降，而磷在9月4日达全年吸收量高峰。三元素的吸收量，枯萎期均高于萌动期。建议生产中，可春季整地和7月上旬前追肥。
- Abstract:
- The 3-year-old artificial cultivated Dictamnus dasycarpus was used as test material，the content of nitrogen，phosphorus and potassium of the whole Dictamnus dasycarpus in different growth periods were measured by conventional method,its change law was discussed to investigate its nutrient absorption characteristics.The results showed that the absorption of nitrogen，phosphorus and potassium in growing season in Tonghua Region was N∶P2O5∶K2O=7.8∶1∶5.8.Early May to early July，uptake of nitrogen，phosphorus and potassium by Dictamnus dasycarpus showed a rising trend，the absorption of potassium reached peak in July sixth throughout the year，nitrogen was in July twenty-first，phosphorus was in September forth and then decreased.The absorption of three elements were higher in withering period than germination period.It was suggested to topdressing in spring land preparation and early July.
参考文献/References:
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备注/Memo
第一作者简介：刘丽娟（1972-），女，吉林通化人，硕士，副教授，现主要从事药用植物营养与栽培等研究工作。E-mail：liulijuan214@163.com. 基金项目：吉林省科技发展计划重点资助项目（20110902）。