dansuyingyangzaiquedingziranhuanjinghenongyehuanjingxiazhiwudeguanghenenglizhongqizheguanjianzuoyong，bingqiedansuweizhiwuguanghezuoyongheshengtaixitongshengchanlitigongzhezhongyaodezhichi
，shizuowudeyizhongzuizhongyaodeyangfen。yinciyingyong葉綠素計診斷水稻氮素營養有其重要的實際意義。

在zai現xian代dai氮dan素su缺que乏fa幾ji乎hu到dao處chu都dou發fa生sheng，並bing且qie在zai很hen多duo係xi統tong中zhong，氮dan素su作zuo為wei有you限xian的de資zi源yuan存cun在zai。提ti高gao氮dan素su管guan理li
，最zui終zhong將jiang取qu決jue於yu對dui土tu壤rang或huo作zuo物wu氮dan素su狀zhuang況kuang的de精jing確que評ping價jia。葉ye綠lv素su計ji是shi簡jian單dan而er又you方fang便bian的de診zhen斷duan工gong具ju。利li用yong它ta能neng夠gou在zai原yuan處chu測ce定ding稻dao作zuo物wu氮dan素su狀zhuang況kuang,確定施氮肥的適時性。這種測定有助於根據水稻本身的需求和氮素診斷結果來改變對水稻的氮素供應。

研究表明，利用葉綠素計指導氮素管理提高了氮素供應和作物需氮的相關性，導致高產
、gaodansuliyonglvhegaoshouhuozhishu。yelvsujidushuheyepiandansunongdudouyuturangbiaocengkuangzhidansuzhijiancunzaizhehenhaodexiangguanxing，yelvsujicedingzhiyeyuzhengzhuzuowudansuhanliangheturangbiaocenganhanliang2個ge參can數shu具ju有you很hen好hao的de相xiang關guan性xing。因yin此ci
，葉ye綠lv素su計ji可ke以yi用yong於yu確que定ding水shui稻dao氮dan素su需xu求qiu量liang
，例li如ru可ke以yi確que定ding半ban矮ai生sheng水shui稻dao在zai幼you穗sui分fen化hua前qian期qi和he幼you穗sui分fen化hua期qi的de氮dan肥fei需xu求qiu量liang。