叶绿素计SPAD-502在水稻氮素营养诊断中的应用  

Application of chlorophyll meter SPAD-502 in diagnosis of nitrogen status and nitrogenous fertilizer in rice

作　　者：张金恒[1] 王珂[1] 王人潮[1] 

机构地区：[1]浙江大学农业遥感与信息技术应用研究所,浙江杭州310029

出　　处：《西北农林科技大学学报（自然科学版）》2003年第2期177-180,共4页Journal of Northwest A&F University(Natural Science Edition)

基　　金：国家自然科学基金资助项目 (3 0 0 70 44 4)

摘　　要：基于水稻氮素营养及氮肥诊断的意义 ,在比较了几种氮素营养诊断方法的利弊之后 ,重点阐述叶绿素计的工作原理和作为氮素营养诊断工具的优缺点以及研究进展。并对叶绿素计诊断水稻氮素营养可能的发展前景进行了阐述。Basing on the significance of diagnosis of nitrogen status and nitrogenous fertilizer in rice,the article compares the advantages and disadvantages of those measures,which are used to diagnose the nitrogen status and nitrogenous fertilizer in rice,and pays attention to expatiate the measuring principle,characteristic and methods of the chlorophyll meter SPAD 502.And the development of the study using the chlorophyll meter SPAD 502 is introduced in this article.Finally,the author gives some suggestion about how to diagnose nitrogen status and nitrogenous fertilizer in rice using the chlorophyll meter SPAD 502.

关 键 词：叶绿素计SPAD-502 水稻 氮素营养 营养诊断 应用 

分 类 号：S511[农业科学—作物学] TH79[机械工程—仪器科学与技术]