土壤水分與土壤養分的相互影響關係

土(tu)壤(rang)水(shui)分(fen)對(dui)植(zhi)物(wu)根(gen)係(xi)有(you)著(zhe)非(fei)常(chang)重(zhong)要(yao)的(de)影(ying)響(xiang)。植(zhi)物(wu)與(yu)外(wai)界(jie)存(cun)在(zai)一(yi)種(zhong)平(ping)衡(heng)關(guan)係(xi)，即(ji)當(dang)土(tu)壤(rang)中(zhong)的(de)水(shui)分(fen)含(han)量(liang)比(bi)較(jiao)高(gao)的(de)時(shi)候(hou)，植(zhi)物(wu)中(zhong)的(de)水(shui)分(fen)會(hui)通(tong)過(guo)根(gen)係(xi)的(de)膜(mo)進(jin)入(ru)植(zhi)物(wu)的(de)體(ti)內(nei)，伴(ban)隨(sui)著(zhe)土(tu)壤(rang)中(zhong)大(da)量(liang)的(de)無(wu)機(ji)營(ying)養(yang)元(yuan)素(su)。但(dan)是(shi)當(dang)土(tu)壤(rang)中(zhong)的(de)水(shui)分(fen)含(han)量(liang)不(bu)足(zu)時(shi)
，植(zhi)物(wu)根(gen)戲(xi)中(zhong)的(de)濃(nong)度(du)就(jiu)低(di)於(yu)外(wai)界(jie)的(de)生(sheng)長(chang)環(huan)境(jing)，這(zhe)使(shi)得(de)活(huo)動(dong)主(zhu)要(yao)是(shi)根(gen)係(xi)通(tong)往(wang)土(tu)壤(rang)環(huan)境(jing)中(zhong)的(de)比(bi)較(jiao)多(duo)，而(er)土(tu)壤(rang)中(zhong)的(de)各(ge)元(yuan)素(su)進(jin)入(ru)植(zhi)物(wu)體(ti)內(nei)的(de)則(ze)是(shi)偏(pian)少(shao)

，會(hui)對(dui)植(zhi)物(wu)的(de)生(sheng)長(chang)需(xu)要(yao)有(you)所(suo)影(ying)響(xiang)，因(yin)而(er)在(zai)生(sheng)長(chang)的(de)過(guo)程(cheng)人(ren)們(men)通(tong)常(chang)使(shi)用(yong)無線墒情監測係統這(zhe)些(xie)專(zhuan)業(ye)檢(jian)測(ce)儀(yi)器(qi)來(lai)進(jin)行(xing)協(xie)調(tiao)這(zhe)兩(liang)者(zhe)之(zhi)間(jian)的(de)關(guan)係(xi)。無(wu)線(xian)墒(shang)情(qing)監(jian)測(ce)係(xi)統(tong)相(xiang)比(bi)於(yu)一(yi)般(ban)的(de)土(tu)壤(rang)水(shui)分(fen)測(ce)定(ding)儀(yi)
，能(neng)夠(gou)對(dui)土(tu)壤(rang)水(shui)分(fen)作(zuo)更(geng)加(jia)精(jing)確(que)的(de)測(ce)定(ding)，另(ling)外(wai)，無(wu)線(xian)墒(shang)情(qing)監(jian)測(ce)係(xi)統(tong)還(hai)能(neng)夠(gou)實(shi)現(xian)數(shu)據(ju)的(de)無(wu)線(xian)傳(chuan)輸(shu)，因(yin)為(wei)無(wu)線(xian)墒(shang)情(qing)監(jian)測(ce)係(xi)統(tong)具(ju)有(you)無(wu)線(xian)傳(chuan)輸(shu)模(mo)塊(kuai)，如(ru)GSM/GPRSmokuai，yincinenggoubuxuyaoshujuxian，jiunenggoushixianshujudekuaisuchuanshu。xiamianwomenzhuyaofenxixiaturangshuifenhanliangbijiaodideqingkuangxia，zhiwugebuweizhongdewujiyingyangyuansuhuifashengshenmeyangdebianhuane？

通過使用無線墒情與旱情管理係統laijinxingduiyinxingdeturangshengchanghuanjingjinxingtiaokong，yicilaijinxinglejieyinxingzhonggebuweizhongwujiyingyangyuansudebianhua。tongguoshujudefenxijitongjifaxian。suizheturangshuifenhanliangdejianshao，yinxingjingheyezhongquandan、葉中全鈣和全鉀、根中全銅及根

、莖和葉中全磷含量有先上升後下降的趨勢，根係中全氮含量變化較少；而銀杏莖和根中全鈣

、莖中全銅及莖、根和葉中全鎂、全錳和全鋅含量逐漸升高，銀杏葉中全銅、jinghegenzhongquanjiahanliangzhujianxiajiang。youcikejian
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對(dui)於(yu)水(shui)分(fen)含(han)量(liang)降(jiang)低(di)對(dui)植(zhi)物(wu)無(wu)機(ji)營(ying)養(yang)元(yuan)素(su)的(de)影(ying)響(xiang)不(bu)僅(jin)僅(jin)在(zai)銀(yin)杏(xing)中(zhong)進(jin)行(xing)試(shi)驗(yan)
，同(tong)時(shi)有(you)相(xiang)關(guan)的(de)人(ren)員(yuan)使(shi)用(yong)無(wu)線(xian)墒(shang)情(qing)與(yu)旱(han)情(qing)管(guan)理(li)係(xi)統(tong)在(zai)其(qi)他(ta)植(zhi)物(wu)上(shang)也(ye)進(jin)行(xing)研(yan)究(jiu)。劉(liu)建(jian)福(fu)研(yan)究(jiu)澳(ao)洲(zhou)堅(jian)果(guo)葉(ye)片(pian)礦(kuang)質(zhi)元(yuan)素(su)含(han)量(liang)與(yu)水(shui)分(fen)脅(xie)迫(po)的(de)關(guan)係(xi)
，發(fa)現(xian)，隨(sui)水(shui)分(fen)脅(xie)迫(po)程(cheng)度(du)的(de)加(jia)劇(ju)，葉(ye)片(pian)中(zhong)含(han)量(liang)降(jiang)低(di)的(de)無(wu)機(ji)營(ying)養(yang)元(yuan)素(su)有(you)鋅(xin)、鈣、氮、鎂和硼
，含量升高的無機營養元素有鉀和錳，水分脅迫對葉片中鈷的影響不大，而磷元素含量的變化不一致。