IiPhilippines, njengelizwe leziqithi, zinemithombo yamanzi amaninzi kodwa zikwajongene nemingeni ebalulekileyo yolawulo lomgangatho wamanzi. Eli nqaku lichaza iimeko zesicelo se-4-in-1 inzwa yomgangatho wamanzi (ukubeka esweni i-ammonia nitrogen, i-nitrate nitrogen, i-nitrogen epheleleyo, kunye ne-pH) kuwo wonke amacandelo ahlukeneyo kwiiPhilippines, kubandakanywa ukunkcenkceshela kwezolimo, ukunikezelwa kwamanzi kamasipala, impendulo yeentlekele eziphuthumayo, kunye nokukhuselwa kwendalo. Ngokuhlalutya ezi meko zehlabathi zangempela, sinokuqonda indlela le teknoloji ye-sensor edibeneyo inceda ngayo iiPhilippines ukujongana nemingeni yokulawula umgangatho wamanzi, ukuphucula ukusebenza kakuhle kokubeka iliso, kunye nokubonelela ngenkxaso yedatha yexesha langempela lokwenza izigqibo.
Imvelaphi kunye neMingeni yoHlolo loMgangatho waManzi kwiiPhilippines
Njengelizwe leziqithi elibandakanya iziqithi ezingaphezu kwe-7,000, iiPhilippines zinemithombo eyahlukeneyo yamanzi, kubandakanya imilambo, amachibi, amanzi aphantsi komhlaba, kunye neendawo ezininzi zaselwandle. Nangona kunjalo, ilizwe lijongene nemingeni eyodwa kulawulo lomgangatho wamanzi. Ukufudukela kwabantu ezidolophini ngokukhawuleza, imisebenzi yezolimo emandla, uphuhliso lwemizi-mveliso, kunye neentlekele zendalo rhoqo (ezifana nezaqhwithi nezikhukhula) zibeka isoyikiso esimandla kumgangatho wemithombo yamanzi. Ngokuchasene nale mvelaphi, izixhobo ezidibeneyo zokujonga umgangatho wamanzi njenge-4-in-1 sensor (ukulinganisa i-ammonia nitrogen, i-nitrate nitrogen, i-nitrogen epheleleyo, kunye ne-pH) ibe zixhobo ezibalulekileyo zokulawula umgangatho wamanzi kwiiPhilippines.
Imiba yomgangatho wamanzi kwiiPhilippines ibonisa ukuguquguquka kwengingqi. Kwiindawo ezixineneyo kwezolimo, ezifana neLuzon esembindini kunye neenxalenye zeMindanao, ukusetyenziswa kwezichumiso ngokugqithisileyo kukhokelele kumanqanaba aphezulu eekhompawundi zenitrogen (ingakumbi i-ammonia nitrogen kunye nenitrogen ye-nitrate) emanzini. Uphononongo lubonisa ukuba ilahleko ye-ammonia ye-volatilization evela kwi-urea efakwe kumphezulu kwindawo yerayisi yasePhilippine inokufikelela malunga ne-10%, ukunciphisa ukusebenza kakuhle kwesichumisi kunye negalelo kungcoliseko lwamanzi. Kwimimandla yasezidolophini efana neMetro Manila, ungcoliseko lwentsimbi enzima (ingakumbi ilothe) kunye nongcoliseko lwemicrobial ziyinkxalabo enkulu kwiinkqubo zamanzi zikamasipala. Kwimimandla echatshazelwa ziintlekele zendalo njengeTyphoon Haiyan kwisiXeko saseTacloban, iinkqubo zokubonelela ngamanzi ezonakalisiweyo zakhokelela ekungcolisekeni kweefecal kwimithombo yamanzi okusela, okubangela i-spikes kwizifo zorhudo.
Iindlela eziqhelekileyo zokujonga umgangatho wamanzi zijongene nemida emininzi kwiiPhilippines. Uhlalutyo lwelabhoratri lufuna ukuqokelelwa kwesampulu kunye nokuthuthwa ukuya kwiilebhu ezikwindawo esembindini, edla ixesha kwaye ibiza kakhulu, ngakumbi kwiindawo ezikude zesiqithi. Ukongezelela, izixhobo zokubeka iliso zeparamitha enye azikwazi ukunika umbono obanzi womgangatho wamanzi, ngelixa ukusebenzisa izixhobo ezininzi ngaxeshanye kwandisa ubunzima benkqubo kunye neendleko zokugcina. Ke, abenzi boluvo abadityanisiweyo abakwazi ukujonga iiparamitha eziphambili ngaxeshanye babambe ixabiso elithile kwiiPhilippines.
I-ammonia nitrogen, initrogen yenitrate, initrogen iyonke, kunye ne-pH zizalathisi ezibalulekileyo zokuvavanya impilo yamanzi. I-Ammonia nitrogen isuka kumanzi amdaka ezolimo, ilindle lasekhaya, kunye namanzi amdaka avela kwimizi-mveliso, enoxinzelelo oluphezulu oluyityhefu ngokuthe ngqo kubomi basemanzini. I-nitrogen ye-nitrate, imveliso yokugqibela ye-nitrogen oxidation, ibeka imingcipheko yempilo efana ne-blue baby syndrome xa ifakwe ngokugqithiseleyo. Iyonke initrogen ibonisa umthwalo wenitrogen uwonke emanzini kwaye sisalathiso esingundoqo sokuvavanya iingozi ze-eutrophication. I-pH, okwangoku, ichaphazela ukuguqulwa kweentlobo ze-nitrogen kunye nokunyibilika kweentsimbi ezinzima. Phantsi kwemozulu yeTropiki kwiiPhilippines, amaqondo obushushu aphezulu akhawulezisa ukubola kwe-organic kunye neenkqubo zokuguqulwa kwenitrogen, okwenza ukubekwa kweliso kwexesha lokwenyani kwezi parameters kubaluleke ngakumbi.
Iingenelo zobugcisa be-4-in-1 sensors zilele kwi-design yazo edibeneyo kunye nokukwazi ukubeka iliso ngexesha langempela. Xa kuthelekiswa neenzwa zesiqhelo zeparameter eyodwa, ezi zixhobo zibonelela ngedatha ngaxeshanye kwiiparamitha ezininzi ezinxulumeneyo, ukuphucula ukusebenza kakuhle kokubeka iliso kunye nokutyhila ubudlelwane phakathi kweeparamitha. Ngokomzekelo, utshintsho lwe-pH luchaphazela ngokuthe ngqo ibhalansi phakathi kwe-ammonium ions (NH₄⁺) kunye ne-ammonia yamahhala (NH₃) emanzini, nto leyo ibeka umngcipheko we-ammonia volatilization. Ngokubeka esweni ezi parameters kunye, uhlolo olubanzi ngakumbi lomgangatho wamanzi kunye nemingcipheko yongcoliseko inokufezekiswa.
Ngaphantsi kweemeko zemozulu ezikhethekileyo zasePhilippines, i-4-in-1 sensors kufuneka ibonise ukuguquguquka okuqinileyo kokusingqongileyo. Ukushisa okuphezulu kunye nomswakama kunokuchaphazela ukuzinza kwenzwa kunye nexesha lokuphila, ngelixa imvula rhoqo inokubangela utshintsho olukhawulezayo kwi-turbidity yamanzi, ukuphazamisa ukuchaneka kwe-optical sensors. Ke ngoko, i-4-in-1 sensors ezifakwe kwiiPhilippines zifuna imbuyekezo yobushushu, uyilo oluchasene ne-biofouling, kunye nokuchasana nokothuka kunye nokungena kwamanzi ukumelana nokusingqongileyo kwesiqithi setropiki esintsonkothileyo.
Izicelo kwi-Agricultural Irrigation Water Monitoring
Njengelizwe lezolimo, irayisi sesona sityalo sibalulekileyo kwiiPhilippines, kwaye ukusetyenziswa kakuhle kwesichumiso senitrogen kubalulekile kwimveliso yerayisi. Ukusetyenziswa kwe-4-in-1 ye-sensors zomgangatho wamanzi kwiinkqubo zokunkcenkceshela zasePhilippine zibonelela ngenkxaso yobugcisa obuqinileyo bokuchumisa ngokuchanekileyo kunye nokulawulwa kokungcoliseka komthombo ongekho nqaku. Ngokujonga i-ammonia nitrogen, initrogen yenitrate, inayitrojeni iyonke, kunye ne-pH kumanzi okunkcenkceshela ngexesha lokwenyani, amafama kunye namagcisa ezolimo anokulawula ukusetyenziswa kwesichumiso ngakumbi ngokwesayensi, ukunciphisa ilahleko yenitrogen, kunye nokuthintela ukubaleka kwezolimo ekungcoliseni imimandla yamanzi ejikelezileyo.
Ulawulo lweNitrojeni kwiNdawo yeLayisi kunye noPhucuko lokuSebenza kwezichumisi
Phantsi kwemozulu yeTropiki kwiiPhilippines, iurea sesona sichumiso senitrogen sisetyenziswa kakhulu kumasimi erayisi. Uphando lubonisa ukuba ilahleko yokuguquguquka kwe-ammonia evela kwi-urea egalelwe umphezulu kumasimi erayisi ePhilippine inokufikelela malunga ne-10%, ngokusondeleyo enxulumene nokunkcenkceshela kwamanzi pH. Xa i-pH yamanzi entsimi yerayisi inyuka ngaphezu kwe-9 ngenxa yokusebenza kwe-algal, i-ammonia volatilization iba yindlela enkulu yokulahleka kwe-nitrogen, nakwimihlaba eneasidi. I-sensor ye-4-in-1 inceda amafama ukuba amisele ixesha elifanelekileyo lokuchumisa kunye neendlela ngokubeka iliso kwi-pH kunye namanqanaba e-nitrogen ye-ammonia ngexesha langempela.
Abaphandi bezolimo basePhilippine basebenzise i-4-in-1 sensors ukuphuhlisa "itekhnoloji yokubeka enzulu eqhutywa ngamanzi" kwizichumisi zenitrogen. Obu buchule buphucula ngokubonakalayo ukusetyenziswa kwenitrogen ngokulawula ngokwenzululwazi iimeko zamanzi endle kunye neendlela zokuchumisa. Amanyathelo angundoqo aquka: ukumisa ukunkcenkceshela kwiintsuku ezimbalwa phambi kokuchumisa ukuze umhlaba wome kancinci, kugalelwe iurea kumphezulu, nokunkcenkceshela kancinci ukunceda initrogen ingene kumaleko womhlaba. Idatha yezivamvo ibonisa ukuba obu buchule bunokuhambisa ngaphezulu kwe-60% ye-urea nitrogen kumaleko womhlaba, inciphisa ilahleko yegesi kunye nokubaleka ngelixa inyusa ukusetyenziswa kwenitrogen nge-15-20%.
Ulingo lwentsimi kuMbindi weLuzon usebenzisa i-4-in-1 i-sensors yatyhila i-nitrogen dynamics phantsi kweendlela ezahlukeneyo zokuchumisa. Kwisicelo somphezulu wemveli, abenzi boluvo barekhoda i-spike ebukhali kwi-ammonia nitrogen kwiintsuku ezi-3-5 emva kokuchumisa, okulandelwa kukuhla ngokukhawuleza. Ngokuchaseneyo, ukubekwa nzulu kubangele ukukhululwa kancinci kancinci kunye nexesha elide le-ammonia nitrogen. Idatha ye-pH iphinde yabonisa ukuguquguquka okuncinci kumaleko wamanzi i-pH kunye nokubekwa okunzulu, ukunciphisa umngcipheko we-ammonia volatilization. Ezi ziphumo zexesha lokwenyani zibonelele ngesikhokelo senzululwazi sokuphucula iindlela zokuchumisa.
UVavanyo loMlayisho woNgcoliseko lweMijelo yokunkcenkceshela
Imimandla yezolimo enzima kwiiPhilippines ijongene nemingeni ebalulekileyo yongcoliseko lwemithombo engeyiyo indawo, ngakumbi ungcoliseko lwenitrogen oluphuma kumjelo wamasimi erayisi. Izinzwa ze-4-in-1 ezifakwe kwimisele yamanzi kunye nokufumana amanzi ahlala ebeka iliso kwiinguqu ze-nitrogen ukuvavanya impembelelo yokusingqongileyo yeendlela ezahlukeneyo zokulima. Kwiprojekthi yokubeka esweni kwiPhondo laseBulacan, uthungelwano lwezinzwa lurekhode ama-40–60% aphezulu xa ewonke imithwalo yenitrogen kumanzi onkcenkceshelo ngexesha lemvula xa kuthelekiswa nexesha lonyaka elomileyo. Ezi ziphumo zazisa izicwangciso zolawulo lwezondlo zonyaka.
I-4-in-1 sensors nayo idlale indima ebalulekileyo kwiiprojekthi zesayensi yabemi kwiindawo zasemaphandleni zasePhilippines. Kuphononongo lwaseBarbaza, kwiPhondo laseAntique, abaphandi basebenzisana namafama asekuhlaleni ukuvavanya umgangatho wamanzi kwimithombo eyahlukeneyo usebenzisa i-4-in-1 ephathwayo. Iziphumo zabonisa ukuba ngelixa amanzi equla edibana ne-pH kunye nemigangatho ye-solids enyibilikisiweyo iyonke, ungcoliseko lwe-nitrogen (ikakhulu i-nitrojeni ye-nitrate) ichongiwe, inxulunyaniswe neendlela ezikufutshane zokuchumisa. Ezi ziphumo zabangela ukuba uluntu luhlengahlengise ixesha kunye namazinga okuchumisa, ukunciphisa umngcipheko wongcoliseko lwamanzi aphantsi komhlaba.
*Itheyibhile: Ukuthelekiswa kwezicelo ze-4-in-1 zeSensor kwiiNkqubo zezoLimo zasePhilippine ezahlukeneyo
Imeko yesicelo | Iiparamitha ezibekwe esweni | Iziphumo eziphambili | UPhuculo loLawulo |
---|---|---|---|
Iinkqubo zokunkcenkceshela irayisi | I-ammonia nitrogen, pH | I-urea efakwe phezu komhlaba ibangele ukunyuka kwe-pH kunye ne-10% yelahleko ye-ammonia volatilization | Ukubekwa okunzulu okuqhutywa ngamanzi |
Ukuhambisa amanzi okulima imifuno | Initrogen yenitrogen, initrogen iyonke | 40–60% ilahleko ephezulu yenitrogen ngexesha lemvula | Ukulungelelanisa ixesha lokuchumisa, ukongeza izityalo zokugquma |
Amaqula oluntu lwasemaphandleni | Nitrate nitrogen, pH | Ungcoliseko lwe-nitrogen lubhaqwe kumanzi omthombo, i-alkaline pH | Ukusetyenziswa kakuhle kwesichumiso, kuphuculwe ukukhuselwa komthombo |
Iinkqubo zeAquaculture-agriculture | I-ammonia nitrogen, initrogen epheleleyo | Ukunkcenkceshela kwamanzi amdaka kubangele ukufumba kwenitrogen | Amachibi onyango awakhiwe, umthamo wokunkcenkceshela olawulwayo |
Singakwazi nokubonelela ngezisombululo ezahlukeneyo
1. Imitha ephathwayo yomgangatho wamanzi we-multi-parameter
2. Inkqubo yeBuoy edadayo yomgangatho wamanzi aneparamitha ezininzi
3. Ibrashi yokucoca ngokuzenzekelayo kwi-multi-parameter sensor yamanzi
4. Iseti epheleleyo yeeseva kunye nemodyuli yesoftware engenazingcingo, ixhasa iRS485 GPRS / 4g/WIFI/LORA/LORAWAN
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