小麥生長過程中對化肥吸收量的變化
來源： http://www.98fo.cn/ 類別：行業資訊 更新時間：2014-10-23 閱讀次
【本資訊由中國糧油儀器網提供】 xiaomaishiwoguozhuyaodeliangshizhiyi，xiaomaidechanliangduiyujingjideyingxiangjuyouhendadeguanxi，yinciduiyuxiaomaidezhongzhishinongyeshengchanzhongdeyidazhongyaogongzuo。xiaomaidechanliangshoudaodeyingxiangyinsubijiaoduo，biruchangjiandewenshiduheshuifen，turangdejiegoutezheng，yijiyixiehuafeideshiyongliangdengdengdoushizhuyaodeyinsu。zaizhongzhizhonghuafeiyongliangduixiaomaiyingxiangjiaoda，tongshixiaomaidexishouyeshicunzaiyidingdeguilv，bawohaoxishoudeshijicainengtigaoxiaomaidechanliang，duixiaomaiyingyanglinjieqidebawoshenshizhongyao。
營ying養yang臨lin界jie期qi是shi指zhi小xiao麥mai對dui肥fei料liao養yang分fen要yao求qiu在zai絕jue對dui數shu量liang上shang並bing不bu多duo，但dan需xu要yao程cheng度du卻que很hen迫po切qie的de時shi期qi。此ci時shi如ru果guo缺que乏fa這zhe種zhong養yang分fen，作zuo物wu生sheng長chang發fa育yu就jiu會hui受shou到dao明ming顯xian的de影ying響xiang，而er且qie由you此ci所suo造zao成cheng的de損sun失shi即ji使shi在zai以yi後hou補bu施shi這zhe種zhong養yang分fen也ye很hen難nan恢hui複fu或huo彌mi補bu。所suo以yi在zai小xiao麥mai的de種zhong植zhi中zhong不bu僅jin僅jin在zai於yu部bu分fen階jie段duan的de控kong製zhi化hua肥fei量liang，整zheng個ge生sheng長chang過guo程cheng都dou應ying該gai做zuo好hao把ba握wo和he檢jian測ce。
營養最大效率期是指小麥吸收養分絕對數量最多、吸收速度最快、施(shi)肥(fei)增(zeng)產(chan)效(xiao)率(lv)也(ye)最(zui)高(gao)的(de)時(shi)期(qi)。冬(dong)小(xiao)麥(mai)的(de)營(ying)養(yang)最(zui)大(da)效(xiao)率(lv)期(qi)在(zai)拔(ba)節(jie)到(dao)抽(chou)穗(sui)期(qi)，此(ci)時(shi)生(sheng)長(chang)旺(wang)盛(sheng)，吸(xi)收(shou)養(yang)分(fen)能(neng)力(li)強(qiang)。需(xu)要(yao)適(shi)時(shi)追(zhui)肥(fei)，以(yi)滿(man)足(zu)小(xiao)麥(mai)對(dui)營(ying)養(yang)元(yuan)素(su)的(de)最(zui)大(da)需(xu)要(yao)，獲(huo)得(de)最(zui)佳(jia)的(de)施(shi)肥(fei)效(xiao)果(guo)
小xiao麥mai在zai生sheng長chang後hou期qi如ru果guo補bu足zu氮dan肥fei對dui增zeng加jia麥mai穗sui和he顆ke粒li數shu甚shen至zhi是shi對dui於yu產chan量liang的de提ti高gao幾ji乎hu是shi沒mei有you作zuo用yong的de，其qi隻zhi能neng是shi在zai一yi定ding程cheng度du上shang增zeng加jia莖jing葉ye中zhong氮dan含han量liang。至zhi於yu氮dan的de營ying養yang臨lin界jie期qi是shi從cong植zhi株zhu的de營ying養yang生sheng長chang到dao生sheng殖zhi生sheng長chang的de這zhe個ge時shi候hou，冬dong小xiao麥mai是shi在zai分fen蘖nie和he幼you穗sui分fen化hua兩liang個ge時shi期qi。磷lin的de營ying養yang臨lin界jie期qi在zai小xiao麥mai幼you苗miao期qi，由you於yu根gen係xi還hai很hen弱ruo小xiao，吸xi收shou能neng力li差cha，所suo以yi苗miao期qi需xu磷lin十shi分fen迫po切qie。中國糧油儀器網 http://www.98fo.cn/
營ying養yang臨lin界jie期qi是shi指zhi小xiao麥mai對dui肥fei料liao養yang分fen要yao求qiu在zai絕jue對dui數shu量liang上shang並bing不bu多duo，但dan需xu要yao程cheng度du卻que很hen迫po切qie的de時shi期qi。此ci時shi如ru果guo缺que乏fa這zhe種zhong養yang分fen，作zuo物wu生sheng長chang發fa育yu就jiu會hui受shou到dao明ming顯xian的de影ying響xiang，而er且qie由you此ci所suo造zao成cheng的de損sun失shi即ji使shi在zai以yi後hou補bu施shi這zhe種zhong養yang分fen也ye很hen難nan恢hui複fu或huo彌mi補bu。所suo以yi在zai小xiao麥mai的de種zhong植zhi中zhong不bu僅jin僅jin在zai於yu部bu分fen階jie段duan的de控kong製zhi化hua肥fei量liang，整zheng個ge生sheng長chang過guo程cheng都dou應ying該gai做zuo好hao把ba握wo和he檢jian測ce。
營養最大效率期是指小麥吸收養分絕對數量最多、吸收速度最快、施(shi)肥(fei)增(zeng)產(chan)效(xiao)率(lv)也(ye)最(zui)高(gao)的(de)時(shi)期(qi)。冬(dong)小(xiao)麥(mai)的(de)營(ying)養(yang)最(zui)大(da)效(xiao)率(lv)期(qi)在(zai)拔(ba)節(jie)到(dao)抽(chou)穗(sui)期(qi)，此(ci)時(shi)生(sheng)長(chang)旺(wang)盛(sheng)，吸(xi)收(shou)養(yang)分(fen)能(neng)力(li)強(qiang)。需(xu)要(yao)適(shi)時(shi)追(zhui)肥(fei)，以(yi)滿(man)足(zu)小(xiao)麥(mai)對(dui)營(ying)養(yang)元(yuan)素(su)的(de)最(zui)大(da)需(xu)要(yao)，獲(huo)得(de)最(zui)佳(jia)的(de)施(shi)肥(fei)效(xiao)果(guo)
小xiao麥mai在zai生sheng長chang後hou期qi如ru果guo補bu足zu氮dan肥fei對dui增zeng加jia麥mai穗sui和he顆ke粒li數shu甚shen至zhi是shi對dui於yu產chan量liang的de提ti高gao幾ji乎hu是shi沒mei有you作zuo用yong的de，其qi隻zhi能neng是shi在zai一yi定ding程cheng度du上shang增zeng加jia莖jing葉ye中zhong氮dan含han量liang。至zhi於yu氮dan的de營ying養yang臨lin界jie期qi是shi從cong植zhi株zhu的de營ying養yang生sheng長chang到dao生sheng殖zhi生sheng長chang的de這zhe個ge時shi候hou，冬dong小xiao麥mai是shi在zai分fen蘖nie和he幼you穗sui分fen化hua兩liang個ge時shi期qi。磷lin的de營ying養yang臨lin界jie期qi在zai小xiao麥mai幼you苗miao期qi，由you於yu根gen係xi還hai很hen弱ruo小xiao，吸xi收shou能neng力li差cha，所suo以yi苗miao期qi需xu磷lin十shi分fen迫po切qie。中國糧油儀器網 http://www.98fo.cn/
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