植物生長及產量的幾個影響因子
植物生長及產量的幾個影響因子
每一種植物均有一個最適合自己的生長環境,環境中的各項參數包括溫度、濕度、光照強度、風向風速等等。這些因素直接影響著植物的生長以及發育,合適的溫度、濕shi度du和he光guang照zhao度du,能neng夠gou大da大da促cu進jin植zhi物wu的de生sheng長chang,同tong時shi對dui產chan量liang提ti高gao也ye有you一yi定ding的de幫bang助zhu,而er在zai大da自zi然ran環huan境jing中zhong的de條tiao件jian幾ji乎hu很hen少shao會hui滿man足zu植zhi物wu的de生sheng長chang。如ru果guo要yao時shi期qi最zui適shi合he植zhi物wu的de生sheng長chang,那na麼me就jiu必bi須xu通tong過guo一yi定ding的de手shou段duan進jin行xing測ce量liang並bing分fen析xi,環huan境jing中zhong的de溫wen濕shi度du的de監jian測ce可ke以yi使shi用yong溫wen濕shi度du監jian測ce儀yi,而er光guang照zhao強qiang度du則ze是shi以yi溫度照度記錄儀來進行操作,另外,如二氧化碳,也會對植物形成比較大的影響,此時我們也可以通過二氧化碳檢測儀來進行監測,還有如風向風速,雖然對植物的影響比較小,但是也有一定的影響,此時我們選擇風向風速儀來進行測定並評估。
溫wen度du對dui植zhi物wu的de影ying響xiang是shi最zui為wei廣guang泛fan的de,不bu僅jin僅jin影ying響xiang著zhe植zhi物wu的de本ben身shen,同tong時shi對dui於yu植zhi物wu的de生sheng長chang環huan境jing多duo會hui有you所suo影ying響xiang。每mei一yi種zhong植zhi物wu均jun有you一yi個ge最zui適shi合he自zi己ji的de溫wen度du、最zui高gao的de溫wen度du以yi及ji最zui低di的de溫wen度du,這zhe三san個ge溫wen度du統tong稱cheng為wei溫wen度du三san基ji點dian,而er在zai不bu同tong的de地di區qu,它ta的de溫wen度du三san地di點dian均jun有you所suo差cha異yi,越yue往wang北bei方fang,它ta的de溫wen度du三san基ji點dian比bi南nan方fang得de要yao普pu遍bian低di上shang很hen多duo度du。而er其qi中zhong土tu壤rang的de溫wen度du對dui作zuo物wu的de影ying響xiang不bu僅jin僅jin是shi生sheng長chang速su度du,最zui終zhong還hai會hui直zhi接jie影ying響xiang著zhe作zuo物wu的de產chan量liang,這zhe也ye就jiu是shi要yao注zhu意yi適shi時shi播bo種zhong,切qie勿wu過guo早zao或huo者zhe是shi過guo晚wan的de進jin行xing播bo種zhong。溫wen度du對dui植zhi物wu的de影ying響xiang,還hai可ke以yi通tong過guo影ying響xiang其qi他ta因yin素su來lai實shi現xian,如ru溫wen度du影ying響xiang植zhi物wu的de光guang合he作zuo用yong和he呼hu吸xi作zuo用yong,以yi及ji其qi他ta生sheng理li活huo動dong,因yin為wei反fan應ying中zhong的de酶mei隻zhi有you在zai一yi定ding的de範fan圍wei內nei才cai能neng發fa揮hui作zuo用yong,因yin此ci溫wen度du的de作zuo用yong非fei常chang大da。而er環huan境jing中zhong的de濕shi度du主zhu要yao影ying響xiang的de是shi植zhi物wu的de蒸zheng騰teng作zuo用yong,換huan而er言yan之zhi則ze是shi養yang分fen運yun輸shu過guo程cheng的de潤run滑hua油you,隻zhi有you在zai保bao證zheng蒸zheng騰teng作zuo用yong進jin行xing的de同tong時shi才cai能neng讓rang養yang分fen運yun輸shu到dao各ge個ge部bu位wei,環huan境jing中zhong的de濕shi度du還hai是shi要yao進jin行xing控kong製zhi的de,因yin為wei濕shi度du還hai會hui引yin起qi病bing變bian,濕shi度du高gao低di直zhi接jie關guan係xi著zhe危wei害hai植zhi物wu的de病bing蟲chong的de生sheng存cun,因yin此ci在zai生sheng長chang過guo程cheng使shi用yong溫wen濕shi度du記ji錄lu儀yi來lai進jin行xing對dui環huan境jing中zhong的de濕shi度du進jin行xing測ce量liang以yi及ji控kong製zhi是shi尤you為wei重zhong要yao的de。而er光guang照zhao強qiang度du則ze是shi有you機ji物wu質zhi合he成cheng的de主zhu要yao原yuan料liao之zhi一yi。在zai沒mei有you光guang照zhao強qiang度du的de基ji礎chu上shang,植zhi物wu是shi無wu法fa進jin行xing有you機ji物wu質zhi合he成cheng的de,但dan是shi也ye並bing不bu是shi光guang照zhao強qiang度du越yue大da有you機ji物wu質zhi合he成cheng量liang越yue大da,他ta們men之zhi間jian有you一yi定ding的de關guan係xi,有you一yi個ge最zui是shi的de光guang照zhao強qiang度du,當dang超chao過guo或huo者zhe是shi過guo低di的de時shi候hou均jun無wu法fa達da到dao最zui大da有you機ji物wu質zhi合he成cheng速su率lv。另ling外wai,如ru二er氧yang化hua碳tan,主zhu要yao通tong過guo影ying響xiang光guang合he作zuo用yong來lai影ying響xiang植zhi物wu的de生sheng長chang,而er光guang合he作zuo用yong是shi植zhi物wu積ji累lei有you機ji物wu的de過guo程cheng,因yin為wei二er氧yang化hua碳tan會hui影ying響xiang植zhi物wu的de產chan量liang。



