Ingabe ukuchelela ngaphezulu kuyindlela yesikhathi esedlule? Ngokuqinisekile asicabangi kanjalo!
Izinhlelo zokunisela ngenkasa zingasebenza kahle kakhulu ekusetshenzisweni kwamanzi, kepha izifafazi ezintsha ezintsha zicishe zifane namandla namandla.
Iningi labantu linemibono eqinile mayelana nezinhlelo zokunisela ngenkasa. Buza iqembu labalimi ngakho futhi mhlawumbe uzokuzwa imibono ehluke kakhulu. Abanye bathi abafafazayo abasoze basebenza kahle njengokudonsa. Abanye bathi idriphu ibiza ngendlela eyisimanga noma ilungele kuphela amasimu nezitshalo ezithile. Eqinisweni, kokubili okuphezulu kanye nokudonsa kuyizinhlelo zokunisela ezisebenza kahle kakhulu. Ukukhetha eyodwa phezu komunye kubila ezintweni eziza kuqala nezinqubo zokuphathwa kwepulazi.
Eminyakeni yamuva nje, izinhlelo zokunisela ngenkasa zithola isisekelo esinamandla sabalandeli ngenxa yamazinga okugeleza kwabo okuphansi kanye namandla wokonga amanzi. Abameli abanamandla abafana nesimangalo seMaine Organic Farmers and Gardeners Association sokuthi uhlelo lokudonsa olufakwe kahle lungasebenzisa amanzi angaphansi kuka-50 kuya ku-80% uma kuqhathaniswa namafafaza. Lokhu kwenza kube inketho ekhangayo kakhulu kubalimi ezindaweni ezinomkhawulo wamanzi noma kubalimi abafuna nje ukuluhlaza. Ukuze kusizakale, ukuchelela ngenkasa kudonsa amanzi namandla. Noma kunjalo, abalimi abafuna izinto ezahlukahlukene, izindleko eziphansi ngaphezulu nezithelo eziphezulu ezinkulu ngokwanele ukondla abantu abakhulayo kungaba ngcono ukunamathela ngenkasa ephezulu.
Izinzuzo ukuchelela okuphezulu
- Ukuqinisekisa okubonakalayo kokufana kwesistimu
- Indawo enkulu yokumbozwa
- Impilo yomkhiqizo omude (imvamisa ngaphezulu kweminyaka eyi-10)
- Isetshenziselwa ukuhluma, ukuvundisa, ukufaka amakhemikhali nokulawula isithwathwa
- Izikhawu zokunisela ezimfushane
- Izindleko zokugcina eziphansi
Ukungalungi ukuchelela okuphezulu
- Ikhono eliphakeme lezinkinga zokuhwamuka nokuhamba komoya uma kuqhathaniswa nokudonsa
- Amanzi kokubili izitshalo nokhula
- Ayinakusetshenziswa ezitshalweni ezithinteka ezifweni ezinamakhasi
- Amandla aphakeme okugijima nokuguguleka komhlaba kuqhathaniswa ne-drip
Ukusebenza kahle ngenkasa kungaphezu kokumpompa inani lamanzi elincane kakhulu. Ukusebenza kohlelo kunqunywa ngokufana kokusebenza nokusatshalaliswa kwalo, kanye nempendulo yesitshalo ekuniselweni.
Ukusebenza kahle yisizathu sokuthi abalimi abaningi babe ngabalandeli abakhulu be-drip. Amasistimu we-drip anisela ngamazinga okugeleza azungeze u-0.5 kuye ku-2 amalitha ngehora futhi ngokujwayelekile asebenza ekucindezelweni okusukela ku-10 kuye ku-30 psi. Ukuvuza kubeka amanzi ngqo ngaphezulu noma eduze kwezimpande, ngakho-ke amasistimu aklanywe kahle angaziqhayisa ngokufana kokusatshalaliswa kwamaphesenti angama-90 kuye kwangama-95. Kodwa-ke, izinhlelo zokufafaza zingacishe zisebenze njengamanzi nokonga amandla njengezinhlelo zokuvuza.
Iningi labalimi bezithelo nemifino bajwayelene nokufafaza umthelela. Uma kuqhathaniswa nezinhlelo zokudonsa, lezi zokufafaza ngokuvamile zidinga ukugeleza okuphezulu nezingcindezi ukuze zisebenze, futhi umoya uthinta kalula amaphethini wazo wokufafaza. Banikela ngokufana okuncane. Lokhu kwenza ukuvuza kube ukukhetha okusobala kunoma ngubani ofuna ukonga ezindlekweni zamanzi namandla.
Eqinisweni, izinhlelo zokufafaza zisebenzisa noma yikuphi kusuka ku-0.5 kuye ku-20 amalitha amanzi ngomzuzu. Ngaphezu kwalokho, badinga kuphela i-10 kuya ku-30 psi ukuze basebenze, kuya ngemodeli ekhethiwe. Izinhlelo ezakhiwe kahle ezinamamodeli enzelwe ukumelana nomoya nokuhwamuka nazo zinganisela ngokufana kwamaphesenti angama-90 kuye kwangama-95.
Ukuqhathanisa eceleni kokusetshenziswa kwamanzi, ukusetshenziswa kwamandla nokusatshalaliswa kokufana kokunisela ngamadriphu nangaphezulu kuzoveza ukuthi zombili lezi zinhlelo zisebenza kahle kakhulu. I-drip ishaya kancane amasistimu ngaphezulu kokonga amanzi uma ubheka isikhathi esisebenza uhlelo ngalunye. Lokho kwanda okuncane kokongiwa kwamanzi kwenza ukuthi iswishi idonsa ibonakale inengqondo ngokwanele. Kodwa-ke, ukuhlaziywa okuseduze kukhombisa ukuthi ngaphandle kwezinzuzo zokunisela ngenkasa, lezi zinhlelo zivame ukuza nezindleko zemishini enzima kanye nezicelo ezinomkhawulo.
Njengoba i-RL Tinsley, i-Inma Irrigation Water Management, ne-Soil Reclamation Specialist, ikubeka: "I-drip mhlawumbe iluhlobo olunisela kakhulu lokunisela, ikakhulukazi yilabo okungadingeki ukuthi balukhokhele, balusebenzise noma balunakekele."