摘要
本研究设计了一种花卉无土栽培营养液主要成分在线检测系统。该系统能够实时检测营养液NO3-、PO43-和K+浓度以及温度、pH、EC的瞬时值,并且提供上述测量值的历史数据以供查询和分析。试用结果表明,该系统能够满足在设施内花卉无土栽培中实现自动化控制营养液氮、磷、钾等主要离子浓度,并具有可靠性和准确性。
The online measuring system was designed for measuring nutrient solution components in greenhouse for soilless cultural ornamental plants. The system could measure the real -time values of temperature, pH, EC and concentrations of NO3^- , PO4^3- and K^＋ , also provide historical data for inquiry and analysis. The practical application showed that this system could satisfy the further need of automatically controlling the main ion concentrations for soilless culture of ornamental plants in greenhouse, which was reliable and accurate.
出处
《山东农业科学》
2009年第12期17-21,共5页
Shandong Agricultural Sciences
关键词
花卉
无土栽培
营养液
离子浓度
检测系统
Ornamental plants
Soilless culture
Nutrient solution
Ion concentration
Measuring system
