溫濕光三參數記錄儀在杏樹生長過程中的用途
xingshiwoguochuantongdewuzhongguoshizhiyi,zaishuiguoshichangzhongzhanjuzhezhongyaofene。xingshudesheshizaipeijishugangfazhanmeiduojiu,xingshusheshizaipeinengfouchenggong。wenshineidewendu、濕度、光照度以及二氧化碳的調控是關鍵因素之一。
杏樹隻有在一定的溫度範圍內才能夠生長。溫度對生長的影響是綜合的,它既可以通過影響光合、呼吸、蒸騰等代謝過程,也可以通過影響有機物的合成和運輸等代謝過程來影響杏樹生長,還可以直接影響土溫、氣qi溫wen,通tong過guo影ying響xiang水shui肥fei的de吸xi收shou和he輸shu導dao來lai影ying響xiang植zhi物wu的de生sheng長chang。由you於yu參can與yu代dai謝xie活huo動dong的de酶mei的de活huo性xing在zai不bu同tong溫wen度du下xia有you不bu同tong的de表biao現xian,所suo以yi溫wen度du對dui杏xing樹shu生sheng長chang的de影ying響xiang也ye具ju有you最zui低di、最zui適shi和he最zui高gao溫wen度du三san基ji點dian。杏xing樹shu隻zhi能neng在zai最zui低di溫wen度du與yu最zui高gao溫wen度du範fan圍wei內nei生sheng長chang。雖sui然ran生sheng長chang的de最zui適shi溫wen度du,就jiu是shi指zhi生sheng長chang最zui快kuai的de溫wen度du,但dan這zhe並bing不bu是shi植zhi物wu生sheng長chang最zui健jian壯zhuang的de溫wen度du。因yin為wei在zai最zui適shi溫wen度du下xia,植zhi物wu體ti內nei的de有you機ji物wu消xiao耗hao過guo多duo,植zhi株zhu反fan倒dao長chang得de細xi長chang柔rou弱ruo。因yin此ci在zai生sheng產chan實shi踐jian上shang培pei育yu健jian壯zhuang植zhi株zhu,常chang常chang要yao求qiu低di於yu最zui適shi溫wen度du的de溫wen度du,這zhe個ge溫wen度du稱cheng協xie調tiao的de最zui適shi溫wen度du。
溫度的管理措施主要有:用開閉通風口的方法保溫或降溫;氣溫低,晚上覆蓋草苫保溫,氣溫過高,白天覆蓋葦簾、竹簾等遮光降溫;覆蓋物的數量和覆蓋時間,依據第2天tian早zao上shang揭jie苫shan時shi的de溫wen度du來lai衡heng量liang,一yi般ban必bi須xu保bao證zheng使shi次ci日ri揭jie苫shan時shi溫wen度du在zai適shi宜yi範fan圍wei內nei,如ru果guo頭tou天tian蓋gai苫shan時shi間jian一yi定ding,次ci日ri揭jie苫shan時shi溫wen度du偏pian低di,說shuo明ming覆fu蓋gai保bao溫wen設she備bei數shu量liang不bu足zu,應ying增zeng加jia。如ru果guo覆fu蓋gai物wu數shu量liang一yi定ding,但dan溫wen度du仍reng然ran偏pian低di時shi,那na麼me頭tou天tian蓋gai苫shan時shi間jian宜yi適shi當dang提ti前qian,反fan之zhi則ze可ke推tui遲chi。但dan要yao注zhu意yi,過guo早zao蓋gai苫shan會hui減jian少shao室shi內nei光guang照zhao時shi間jian。
空氣相對濕度是影響杏樹吸水與蒸騰的重要因子之一。在相對濕度較小(飽和差較大)shi,ruturangshuifenchongzu,zexingshuzhengtengjiaowangsheng,xingshushengchangjiaohao。ruojiaochangshijiankongqishiduchuyubaohetiaojianxia,xingshushengchangjiangshouyizhi,xiangduishidutaixiao,huijiazhongturangganhanhuoyinqidaqiganhan,tebiezaiqiwengaoerturangshuifenquefadetiaojianxia,xingshudeshuifenpinghengbeipohuai,水分入不敷出,會阻礙生長而造成減產。濕度太高,易引起病菌與寄生蟲滋生。高濕與高溫結合,會抑製畜體蒸發散熱,易引起牲畜積熱;高濕與低溫結合,加大了空氣的導熱率,易加重牲畜失熱而導致病害。溫室內土壤濕度調控主要措施是適量適時灌水,防高濕措施:地麵覆膜,不僅可以提高地溫、改善近地光照,同時還可減少土壤水分蒸發,有利於降低空氣濕度。
光(guang)是(shi)杏(xing)樹(shu)進(jin)行(xing)光(guang)合(he)作(zuo)用(yong)的(de)能(neng)量(liang)來(lai)源(yuan)。光(guang)合(he)作(zuo)用(yong)主(zhu)要(yao)是(shi)依(yi)靠(kao)杏(xing)樹(shu)的(de)葉(ye)綠(lv)素(su)這(zhe)一(yi)器(qi)官(guan)完(wan)成(cheng)的(de)。光(guang)照(zhao)調(tiao)控(kong)主(zhu)要(yao)是(shi)適(shi)時(shi)揭(jie)蓋(gai)不(bu)透(tou)明(ming)覆(fu)蓋(gai)物(wu)。正(zheng)常(chang)情(qing)況(kuang)下(xia),揭苫後室內氣溫下降1~2℃,約經10~20m in後室溫開始上升,這樣,揭苫時間比較適宜。若揭苫後沒有溫度的下降過程,直接上升,則說明揭苫偏晚,白白浪費了一段光照時間。傍晚蓋苫時間,要依據杏不同生育期對溫度的要求確定。如白天室溫過高時,宜加大放風量降溫,局部放苫防高溫不利於光照。
因yin為wei溫wen濕shi光guang度du對dui杏xing樹shu生sheng長chang發fa育yu影ying響xiang重zhong大da,那na麼me就jiu必bi須xu了le解jie掌zhang握wo溫wen室shi內nei的de溫wen濕shi光guang度du。目mu前qian市shi場chang上shang有you測ce一yi種zhong參can數shu或huo多duo種zhong參can數shu的de測ce量liang儀yi器qi。比bi如ru說shuo溫wen度du記ji錄lu儀yi、溫濕度測量儀、溫濕光三參數記錄儀等deng。要yao想xiang杏xing樹shu發fa育yu好hao,一yi台tai溫wen濕shi光guang度du三san參can數shu記ji錄lu儀yi就jiu必bi不bu可ke少shao。溫wen濕shi光guang度du三san參can數shu記ji錄lu儀yi可ke以yi幫bang助zhu人ren們men了le解jie溫wen室shi內nei的de溫wen濕shi光guang度du。及ji時shi了le解jie杏xing樹shu生sheng長chang環huan境jing情qing況kuang,從cong而er根gen據ju溫wen濕shi光guang信xin息xi作zuo出chu調tiao整zheng。



