Epulazini elikhulu laseCentral Valley eCalifornia, kwenzeka inguquko yezolimo eqhutshwa ubuchwepheshe buthule. Ipulazi elikhulu lendawo, iGolden Harvest Farms, lisanda kwethula ubuchwepheshe bezinzwa zenhlabathi ze-RS485 ukuqapha idatha ebalulekile njengomswakama wenhlabathi, izinga lokushisa kanye nosawoti ngesikhathi sangempela, ngaleyo ndlela kufezwe ukuchelela okunembile kanye nokongiwa kwamanzi okuphumelelayo.
I-Central Valley yaseCalifornia ingenye yezindawo ezibaluleke kakhulu zokukhiqiza ezolimo e-United States, kodwa isomiso esiqhubekayo kanye nokuntuleka kwamanzi eminyakeni yamuva nje kulethe izinselelo ezinkulu kwezolimo zendawo. I-Golden Harvest Farm itshala izinhlobo ezahlukene zezitshalo ezinenani eliphezulu, okuhlanganisa ama-alimondi, amagilebhisi notamatisi. Ngenxa yesimo samanzi anele, abalimi banquma ukusebenzisa ubuchwepheshe bezinzwa zenhlabathi ze-RS485 ukuze bathuthukise ukuphathwa kokunisela nokunciphisa imfucuza yamanzi.
Inzwa yomhlabathi ye-RS485 iyinzwa enembile kakhulu esekelwe kuphrothokholi yokuxhumana ye-RS485 engaqoqa idatha yomhlabathi ngesikhathi sangempela futhi iyithumele ohlelweni lokulawula oluphakathi ngenethiwekhi enezintambo. Abalimi bangabuka izimo zomhlabathi bekude ngamaselula noma amakhompyutha, futhi balungise izinhlelo zokunisela ngokusekelwe kudatha ukuqinisekisa ukuthi izitshalo zikhula ngaphansi kwezimo ezifanele.
UMichael Johnson, umphathi wezokusebenza weGolden Harvest Farm, uthe: “Izinzwa zenhlabathi ze-RS485 zishintshe ngokuphelele indlela esinisela ngayo. Esikhathini esidlule, besikwazi ukwahlulela kuphela ukuthi kufanele sinisele nini ngokusekelwe kokuhlangenwe nakho, kodwa manje sesikwazi ukwazi kahle ukuthi ingxenye ngayinye yomhlaba idinga amanzi angakanani. Lokhu akugcini nje ngokusindisa izinsiza eziningi zamanzi, kodwa futhi kuthuthukisa isivuno kanye nekhwalithi yesivuno.”
Ngokusho kwedatha yepulazi, ngemuva kokusebenzisa izinzwa zenhlabathi ze-RS485, ukusetshenziswa kwamanzi okunisela kuncishisiwe ngo-30%, isivuno sezitshalo sikhuphuke ngo-15%, kanti usawoti wenhlabathi ulawulwe ngempumelelo, okugwema ukuwohloka kwenhlabathi okubangelwa ukunisela ngokweqile.
Ochwepheshe bezolimo eNyuvesi yaseCalifornia, eDavis bayakuqaphela lokhu. ULisa Brown, uprofesa eSikoleni Sezolimo Nesayensi Yezemvelo eyunivesithi, waveza ukuthi: “Izinzwa zenhlabathi ze-RS485 ziyithuluzi elibalulekile lezolimo olunembile. Zingasiza abalimi ukuthi bafinyelele ekusetshenzisweni kwamanzi okuphumelelayo ezindaweni ezomile ngenkathi kuthuthukiswa ukusimama komkhiqizo wezolimo. Lokhu kubaluleke kakhulu kwezolimo eCalifornia ngisho nasemhlabeni jikelele.”
Okuhlangenwe nakho okuphumelelayo kweGolden Harvest Farm kukhuthazwa ngokushesha eCalifornia nakwamanye amazwe ezolimo. Abalimi abaningi baqala ukunaka nokwamukela ubuchwepheshe bezinzwa zenhlabathi ze-RS485 ukuze babhekane nezinselele ezinkulu zemithombo yamanzi.
“Inzwa yomhlabathi ye-RS485 ayisisizi nje kuphela ukonga izindleko, kodwa futhi isisiza ukuthi sivikele imvelo kangcono,” kusho uJohnson. “Sikholelwa ukuthi lobu buchwepheshe buzoba yisisekelo sentuthuko yezolimo yesikhathi esizayo.”
Mayelana nenzwa yomhlabathi ye-RS485:
Inzwa yomhlabathi ye-RS485 iyinzwa enembile kakhulu esekelwe kuphrothokholi yokuxhumana ye-RS485 engaqapha idatha ebalulekile efana nomswakama wenhlabathi, izinga lokushisa kanye nosawoti ngesikhathi sangempela.
Inzwa yomhlabathi ye-RS485 idlulisela idatha ohlelweni lokulawula oluphakathi ngenethiwekhi enezintambo, isiza abasebenzisi ukuthi bafeze ukuchelela okunembile nokonga amanzi ngendlela ephumelelayo.
Inzwa yomhlabathi ye-RS485 ifanelekela izimo ezahlukahlukene njengokulima ensimini, ukutshala izitshalo eziluhlaza okotshani, ukuphathwa kwezithelo zezithelo, futhi isebenza kahle kakhulu ezindaweni ezomile.
Mayelana nezolimo zaseMelika:
I-United States ingumkhiqizi wezolimo omkhulu kunawo wonke emhlabeni futhi ingumthengisi wezimpahla kwamanye amazwe, kanti ezolimo zingenye yezinsika zayo ezibalulekile kwezomnotho.
I-Central Valley yaseCalifornia iyindawo ebaluleke kakhulu ekukhiqizweni kwezolimo e-United States, edume ngokutshala izitshalo ezinenani eliphezulu ezifana nama-alimondi, amagilebhisi, notamatisi.
Ezolimo zaseMelika zigxila ekusungulweni kwesayensi nobuchwepheshe futhi zisebenzisa ubuchwepheshe bezolimo obunembile ukuze kuthuthukiswe ukusebenza kahle kokukhiqiza kanye nokusetshenziswa kwezinsiza.
Isikhathi sokuthunyelwe: Feb-24-2025