隻zhi要yao懂dong點dian科ke學xue常chang識shi的de人ren都dou知zhi道dao，葉ye片pian是shi作zuo物wu生sheng長chang過guo程cheng中zhong最zui主zhu要yao的de器qi官guan，是shi植zhi物wu進jin行xing光guang合he作zuo用yong的de重zhong要yao組zu成cheng部bu分fen，為wei了le充chong分fen利li用yong太tai陽yang光guang，提ti高gao作zuo物wu的de光guang合he效xiao率lv
，開kai展zhan植zhi物wu葉ye麵mian積ji的de研yan究jiu是shi相xiang當dang有you必bi要yao的de，因yin為wei它ta能neng幫bang助zhu人ren們men更geng好hao的de了le解jie作zuo物wu的de生sheng長chang狀zhuang況kuang，以yi此ci還hai能neng指zhi導dao人ren們men進jin行xing合he理li密mi植zhi。那na麼me問wen題ti來lai了le，葉ye麵mian積ji又you應ying該gai怎zen樣yang測ce量liang呢ne？總zong不bu可ke能neng拿na著zhe尺chi子zi去qu量liang吧ba！現在市場上有一種叫葉麵積測定儀的(de)儀(yi)器(qi)，它(ta)能(neng)準(zhun)確(que)的(de)測(ce)量(liang)出(chu)葉(ye)麵(mian)積(ji)，無(wu)論(lun)形(xing)狀(zhuang)規(gui)則(ze)與(yu)否(fou)，用(yong)戶(hu)隻(zhi)需(xu)打(da)開(kai)儀(yi)器(qi)的(de)發(fa)光(guang)板(ban)蓋(gai)
，將(jiang)被(bei)測(ce)葉(ye)片(pian)平(ping)鋪(pu)在(zai)感(gan)光(guang)板(ban)的(de)任(ren)何(he)位(wei)置(zhi)，合(he)上(shang)發(fa)光(guang)板(ban)蓋(gai)
，在(zai)屏(ping)幕(mu)上(shang)輕(qing)點(dian)“測量”鍵後，係統將測量被測葉片的葉麵積
，就能將其麵積值在儀器LCD上顯示並保存。

    jiuxiangchangjiandehongshuzhongzhi。womendouzhidao

，kaizhanhelidehongshumizhishihenyoubiyao。eryaodadaozhegeyaoqiu，jiuxuyaoyijutidezhibiaoweijizhunhuoyiju，eryemianjizhishujiushizhegebiaozhunheyiju，tashizhidanweiyemianjishangdelvyemianjiyutudimianjixiangbidebeishu，yemianjizhishushihengliangquntijiegoudeyigezhongyaozhibiao，yibanlaishuoyemianjizhishutaigaoyingxiangzuowutoufengtouguang，ruguotaidiyebunengchongfenliyongtaiyangguang。xianzaiyouleyemianjicedingyijiunengconghongshudeyemianjizhishuzheshoujinxinghelidemizhile。
    通(tong)過(guo)葉(ye)麵(mian)積(ji)測(ce)定(ding)儀(yi)來(lai)測(ce)定(ding)紅(hong)薯(shu)葉(ye)片(pian)的(de)葉(ye)麵(mian)積(ji)，再(zai)進(jin)行(xing)簡(jian)單(dan)的(de)計(ji)算(suan)換(huan)算(suan)成(cheng)葉(ye)麵(mian)積(ji)指(zhi)數(shu)，這(zhe)樣(yang)一(yi)來(lai)就(jiu)能(neng)快(kuai)速(su)準(zhun)確(que)的(de)得(de)到(dao)紅(hong)薯(shu)的(de)葉(ye)麵(mian)積(ji)指(zhi)數(shu)，為(wei)紅(hong)薯(shu)的(de)合(he)理(li)密(mi)植(zhi)提(ti)供(gong)最(zui)重(zhong)要(yao)的(de)數(shu)據(ju)依(yi)據(ju)。這(zhe)樣(yang)
，農(nong)民(min)就(jiu)能(neng)知(zhi)道(dao)紅(hong)薯(shu)種(zhong)植(zhi)過(guo)程(cheng)的(de)株(zhu)距(ju)
、行距要多少才算合理，通過合理密植提升紅薯的單位麵積產量
，獲得更好的經濟收益。