Ukucatshangelwa kwe-SDI Nokuqamba
Ukunisela ngenkcenkcesho engaphansi (SDI) ingenye yezindlela eziphambili kakhulu zobuchwepheshe bokunisela namuhla. I-SDI inika abalimi amandla okusebenzisa amanzi nezakhamzimba kahle lapho zidingeka khona futhi nini. Lokhu kuphumela ku- isivuno esikhuphukile nezitshalo ezisezingeni eliphakeme, ngenkathi kulondolozwa amanzi, amandla nomanyolo. Kunezinto eziningi okufanele uzicabangele lapho uhlela uhlelo lwe-SDI; ukunakwa ngokucophelela kufanele kukhokhwe ekwakhiweni, ukufakwa, nasekugcinweni. Idizayini noma ukufakwa okungekuhle kungaholela ohlelweni okuthi, ngenkathi lusebenza kahle, lunganiki neyodwa yezinzuzo ezishiwo ngenhla.
Ngaphambi kokuthi uhlelo lwakhiwe, iphrojekthi ehlelwe kahle kufanele iqale imise imigomo noma okulindelwe yizinhlelo. Lokhu okulindelwe kungabandakanya ukuphathwa okwandisiwe, ikhwalithi yezitshalo engcono nokufana, ukukhuphuka kwesivuno, ukusetshenziswa okufanayo kwamanzi nezakhi zomzimba, ukonga amanzi, kanye nokwanda kwenzuzo.
Lapho okulindelwe kohlelo lwe-SDI sekumiswe ngokusobala, izimo ezinjengokwakheka kwensimu, ubume bendawo, amaphrofayli omhlabathi, kanye nokuhlaziywa kwamanzi kufanele kubhekwe ngokucophelela ukubona ukuthi lokho okulindelwe kungafinyelelwa ngokweqiniso.
INDAWO YENSIMU NE-TOPOGRAPHY
Ukuma kwensimu nomthambeka kuzonquma ukuthi yimuphi umklami wokudonsa umkhethi awukhethayo. Ngokuvamile, inkambu eyehlisayo noma eyehlelayo izodinga ingcindezi enxephezela abethuli, futhi inkambu eyisicaba izosebenzisa izikhiphi ezinxephezela ezingenayo ingcindezi. Ububanzi be-tubing bubalulekile futhi ekuhlinzekeni ukugeleza okudingwa yisistimu. Kusukela endaweni yokuklama, sifuna ukufezekisa kungengaphezu kokwehluka okungu-7% phakathi kwezinga lokugeleza lokukhipha eliphakeme kakhulu neliphansi.
UMLANDO WOMHLABA
Uhlobo lomhlabathi nalo luyinto ebaluleke kakhulu ekwakhiweni. Inhlabathi yobumba ivumela amanzi ukuthi aqhubeke kakhulu (phezulu nangaphezulu) kunenhlabathi eyisihlabathi. Inhlabathi yobumba nayo ibamba amanzi amaningi futhi imunca amanzi kancane kakhulu. Ngakho-ke, imigqa ye-drip kanye ne-emitters ngokuvamile kufakwa ndawonye enhlabathini enesihlabathi, kanti emhlabathini wobumba lezi zikhala zingakhuphuka, kepha ngamazinga okugeleza okuphansi okukhipha ngenxa yesilinganiso sokumuncwa esiphansi.
UBULUNGISA BAMANZI NOKUTHOLAKALA
Isici esibaluleke kunazo zonke ohlelweni lokunisela ngenkasa yokuthalisela i-subsurface ngempumelelo ukubhekana kahle nezinkinga zekhwalithi yamanzi. Ukuhlaziywa kwamanzi kudinga ukubuyekezwa ngokucophelela ukuqonda ukuthi yiliphi izinga lokuhlunga nokwelashwa okudingekayo ukuvimbela i-dripline ekuvaleni noma ekubalweni. Ezimweni eziningi, ikhwalithi yamanzi ingalungiswa kalula.
Amasistimu kufanele aklanywe kucatshangwa ngekusasa. Kufanele ziguquguquke ngokwanele ukuvumela izitshalo ezingahlelwanga nobuningi bezitshalo ezahlukahlukene ukubhekana nezinguquko umlimi angafisa ukuzenza.
IZIMPAWU ZOKUQHUBA IZIMPAHLA
Umugqa wokudonsa uyinhliziyo yohlelo lwe-SDI futhi uyatholakala ekuhlelweni okuningi okuhlukile ukuhlangabezana nezimo zakho zezitshalo nezenhlabathi ezihlukile. Lokhu kulungiselelwa kufaka phakathi ukujiya kodonga, usayizi weshubhu kanye nesikhala sokudonsa, uhlobo, nezinga lokugeleza. Ukujiya kodonga kukhethwa ngokuya ngobude bempilo yohlelo, nezimo zenhlabathi. Ekunciphiseni ingcindezi yasemgwaqeni enxephezela ama-emitters asetshenziswa kakhulu, futhi kusetshenziswa ama-emitters angenxephezeli anxephezela uma indawo isicaba. Izinketho ozikhethayo zizonquma izindleko eziphelele zohlelo.
I-Southern Irrigation iye yancoma ngokuqinile Umugqa wokudonsa we-Netafim's DripNet PC kumaphrojekthi wethu wokunisela ngenkasa othize we-subsurface, kufaka phakathi iphrojekthi yethu yamanje yamahektare angama-625 eValk Land & Cattle Ltd.Izinsimbi eziqinile zeNetafim zibunjwe ngomjovo kusetshenziswa imishini yobuciko yobuciko. I-dripper ngayinye ifaka isihlungi esenziwe ngobuciko, okwenza ama-Netafim drippers amelane kakhulu nokuvaleka. I-DripNet PC ingcindezelo enxephezela i-dripline; ama-drippers aletha isilinganiso sokugeleza esifanayo nge-dripper ngayinye kusuka ku-6 psi kuye ku-60 psi. Futhi inendawo yokuhlunga engenayo enkulu emakethe futhi inendlela eyakhelwe ngaphakathi yokulwa nesiphon.
I-FILTRATION
Ukuba nesistimu yokuhlunga efanelekile kubalulekile ekusebenzeni nasekuphileni isikhathi eside kohlelo lwe-SDI. Ukuhlunga kufanele kusekelwe kulezi zinto ezilandelayo: ikhwalithi yamanzi kuyo yonke inkathi yokukhula, indlela yokugeleza yedriphu, uhlobo lokungcola, kanye nethuba lokuguquguquka kwekhwalithi yamanzi nganoma yisiphi isikhathi sokukhula.
Izihlungi zamadiski, njenge-Apollo ™ Disc-Kleen Automatic Filter evela kwaNetafim, zinikeza ukuhlunga okujulile ngokusebenzisa inqwaba yamadiski acindezelwe aphoqa imfucumfucu ukudabula amaphuzu amaningi ogibe. Ukwanda kwendawo yokuhlunga kunciphisa imvamisa yokuhlanza, kunciphisa abasebenzi. Njengoba imfucumfucu kusihlungi iqongelela, inqubo ye-backflush ezenzakalelayo iqaliswa ekhipha futhi ikhiphe imfucumfucu ebanjiwe.
Ezimweni lapho kunezinga eliphakeme lezinhlayiya eziphilayo emanzini, izihlungi zemidiya zeNetafim's Sand Storm ™ zingasetshenziswa. Amanzi adlula embhedeni wesihlabathi se-silica, esibamba imfucumfucu. Nakulokhu, kwenziwa inqubo yokubuyela emuva okuzenzakalelayo, bese imfucumfucu enqwabelene ikhishwa esihlabathini.
Ukumpompa NOKWAKHA IZAKHIWO
Kunamaphampu amaningi ahlukene angasetshenziswa ukuphakela amanzi ohlelweni. Amaphampu ajwayelekile kakhulu amaphampu we-centrifugal noma amaphampu we-turbine aqondile. Amaphampu weCentrifugal abekwe phezulu futhi asebenzise ukuncela ukuletha amanzi avela emthonjeni wawo afike empompini. Ama-motor turbine we-Vertical abekwe ngqo ngaphezu komthombo wamanzi futhi anepayipi nochungechunge lwezifakeli emanzini ngqo ngaphansi kwawo. Amapompo we-turbine ame mpo, yize ngokuvamile ebiza kakhulu kunempompo ye-centrifugal, anikela ngokulungiswa okuncane futhi kulula ukusebenza.
Isakhiwo sokungenisa ngokuvamile siyadingeka lapho kukhiwa amanzi emfuleni, emseleni, noma emfudlaneni. Amanzi anele kufanele adluliselwe ekufakweni kohlelo lwempompo, futhi kufanele kufakwe isikrini esinamandla ukuze kuvinjelwe izinhlanzi, izingodo, nezinye izidumbu ezinkulu ukuthi zingene ohlelweni.
AMAMitha wamanzi
Kungumkhuba omuhle ukuqapha ukugeleza kokusebenza kohlelo nokusetshenziswa kwamanzi kwezitshalo. Uhlelo lwe-SDI lwenzelwe ukukhiqiza isilinganiso esithile sokugeleza ngengcindezi enikeziwe. Izinguquko ezingeni lokugeleza zingakhombisa ukuvuza kohlelo, ama-emitters axhunyiwe, usethe ngokungafanele i-valves elawula ingcindezi, noma ushintsho emthonjeni wamanzi nasiteshini sokumpompa.
UKUJOJWA KOMBANGO
Izinhlelo zokujova umanyolo zifaka izakhi namakhemikhali ohlelweni ukuze zisebenze kakhulu isivuno kanye nokugcina i-dripline isikhathi eside. Amakhono we-Flexible wenzalo azosiza uhlelo ukuthi luzikhokhele lona ngokushesha kunanoma iyiphi enye into kuhlelo. Abalimi bavame ukungakunaki ukusebenzisa lesi sici ngokusemandleni aso ngenxa yenkimbinkimbi ebonakalayo (engaqiniseki ngokujova), noma umane ungazi ukuthi kubaluleke kangakanani. Izinhlelo zokujova kufanele zihlangabezane nezimfuno ezilindelwe zawo wonke amakhemikhali, kube lula ukusebenza futhi zilinganise futhi zibe nezinhlinzeko zokuvikela imvula engadingeki.
Maintenance
Ukuchitha ubusika ohlelweni kuyinqubo edingekayo yokulungisa njengoba amanzi ezomisa futhi ande, mhlawumbe alimaze izinto zepulasitiki nezensimbi. Amanzi avela kuzihlungi, ama-valve, imishini yamakhemikhali, izilawuli zengcindezi, namapayipi angaphansi komhlaba kufanele akhishwe - ikakhulukazi emaphethelweni aphansi enkambu lapho amanzi aqoqana khona. Olayini be-Polyethylene drip abekho engozini yokuqandeka ngoba ama-drippers ahlinzeka ngamaphuzu wokuhambisa amanzi futhi i-polyethylene iyaguquguquka.
Ukulungiswa okujwayelekile kwazo zonke izingxenye zesistimu (njengezihlungi, amaphampu, ama-valve kanye nezijovo zomanyolo) kuzokwelula impilo yohlelo. Ukugcinwa kufanele kulandele uhlelo olujwayelekile futhi kufanele kurekhodwe ukuze kusetshenziswe kamuva.
Ingabe i-SDI ikulungele?
I-SDI akuyona impendulo yawo wonke umlimi, noma sonke isivuno, noma sonke isimo sezulu. Kunokuhlukahluka okuningi okudinga ukucatshangelwa ngokucophelela. Kungakho kubaluleke kangaka ukuthi ube nomgomo ocacile engqondweni ngaphambi kokukhetha ukufaka uhlelo lwe-SDI. Khuluma nethimba lethu labaqambi nabaqeqeshi bezolimo ukuze ubone ukuthi lezi zinhloso zingafinyelelwa ngokufanele. Sifuna amasistimu aphumelelayo anenzuzo ecacile futhi elinganisekayo otshalweni lwakho!
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