光合有效輻射指的是太陽輻射中對植物光合作用有效的部分，是植物生命活動
、有(you)機(ji)物(wu)質(zhi)合(he)成(cheng)的(de)來(lai)源(yuan)，是(shi)影(ying)響(xiang)植(zhi)物(wu)產(chan)出(chu)的(de)重(zhong)要(yao)環(huan)境(jing)參(can)數(shu)。由(you)於(yu)技(ji)術(shu)水(shui)平(ping)的(de)限(xian)製(zhi)，傳(chuan)統(tong)農(nong)業(ye)隻(zhi)能(neng)被(bei)動(dong)的(de)適(shi)應(ying)太(tai)陽(yang)光(guang)的(de)照(zhao)射(she)及(ji)其(qi)日(ri)變(bian)化(hua)和(he)季(ji)節(jie)變(bian)化(hua)。而(er)隨(sui)著(zhe)科(ke)技(ji)的(de)發(fa)展(zhan)，現(xian)代(dai)農(nong)業(ye)則(ze)是(shi)通(tong)過(guo)人(ren)工(gong)照(zhao)明(ming)的(de)方(fang)式(shi)實(shi)現(xian)光(guang)照(zhao)條(tiao)件(jian)的(de)按(an)需(xu)調(tiao)節(jie)。因(yin)此(ci)更(geng)有(you)利(li)於(yu)對(dui)光(guang)合(he)有(you)效(xiao)輻(fu)射(she)進(jin)行(xing)調(tiao)控(kong)，提(ti)高(gao)植(zhi)物(wu)產(chan)出(chu)，可(ke)先(xian)使(shi)用(yong)光合有效輻射計監測光合有效輻射值的變化，並進行相應的調控。

    該儀器可用於光合有效輻射和光照強度的監測，可設置定時采集
，也可手動采集環境數據。自帶無線傳輸功能，通過GPRSshangchuan

，suoceliangshujuketongguoyijianfasonghuoshezhishujufasongjiange
，shishifasongzhifuwuqi，shangwangyezhakanshuju，wulunshenzaihechuzhiyaonengshangwang，junkezhakanxiazaishuju。jubeiyuyinbaojinggongneng
，zhujiyuyinshezhiweichaoxiankaihou，jikeyuyinbobaochaoxianxinxi。
    xiandainongyesheshisuocaijidezhaomingfanganyinggenjuzhiwushengchangdexuqiujinxingsheji
，eryingyongguangheyouxiaofushejizekeyibangzhugongzuorenyuanjingzhunjiancedangqiandeguangheyouxiaofushezhi
，congerweizhaomingfangandezhidingtigongkexueyiju，bimianwuxiaoguangzhaozaochengdeziyuanlangfei。gaiyiqihaikeweixinxingzhiwushengchangdeyanfatigongshujuzhidao，dangrangaiyiqihaikeyongyuzhiwuguangshengwuxueguilvyanjiugongzuozhongyijizhiwushengchangrichangguanligongzuozhong。