Te whakahaere pūnaha wai i te marae kotahi he whakaawhiwhi me te taurite pai rawa, e whakarerekē ana i te mahi hortikarutanga o nāianei, e whakamahia nei hei whakatika me te whakahaere rōpū mō te whakapuaki wai i runga i ngā whenua nui. I te matenga, ka horopū te pūnaha whakahaere wai i runga i tētahi pūtahi kotahi, e noho ana i te mataeheke i te rohe o te whenua, e hanga ana i tētahi raupapa porowhita mō te whakawehi wai, e tirotiro ana kia kitea e koe ia ki ngā tahataha katoa o te whenua kai e pai ana te whakapuaki wai. Ko tēnei whakahaere hou ka whakahaukia anō ngā huamoni, ā, ka whakatipu anō te whakamahi wai, ka whakaaetia e ia hei pūtake mō ngā tikanga whakahaere whenua pai.
Ko ia ki ia o ngā raetapu, e whakamana ana e ngā tūpuke kēkētanga, ka mahi pūmau hei hanga i te wharekai tuara. Ko ēnei tūpuke, e whakarite ana ki ngā roa matika, i hangaia hei haere i waenganui i ngā whenua rerekē, mai i ngā hīkaro pipihi ki ngā māra tae noa. E rahi ana ngā roa, ko tō rahi o te whatitoka hei whakaheke i te hopu whenua, me te whakanui i te whakatipu o ngā here. I runga i ēnei tūpuke, he moemoeā nui ngā mota tuatahi, ranei tonu ranei, ka tuku i te kaha hei haere i te wharekai tuara i runga i tōna ara porowhita. Ka tirotiro whakatehangahanga ngā mota, hei whakamahi i te wehewehe me te wehewhenua i runga i te mara.
Kua whakapiri ki ngā raupapa ētahi whakarere mō ngā tūmomo whakawai wai, ko ngā pūtau kura te nuinga. He nui ngā momo pūtau kura e whakamahi ana i ngā rārangi piki, ā, kua hangaia inaianei hei whakamana i ngā hiahia tuhinga wai. Ko ngā pūtau kura pakanga he pupuri i te whānuitanga o te pūngao, ka taea te whakauru i ngā wāhi nui i tetahi whatu anake. Ka mahi nei i te wehi o te wai hei whakaatu i te tohu, ka mutu ka tuku atu i te wai ki waho i te marau porowhita. Nō te mea ano, he LEPA (low - energy precision application) ngā pūtau kura e hangaia ana hei tiaki i te wai e hinga nei i te rangitū, ka tae atu te wai ki te whenua iti, ka heke i te mīhini o te wai e hinga nei i te rangi, ka taea te whakamana i te nui o te wai e tae ana ki ngā kōpū rerenga. Ki ētahi wā, ka tirohia hoki ngā raraunga wai kuhu hei whakauru ki ngā rārangi piki. He paihere te whakawai wai kuhu, nā te mea ka tae atu te wai ki ngā kōpū rerenga, ka heke i te mīhini o te wai e hinga nei, ka whakamahia te whakatipu pai o ngā rerenga.
Ko te whai hua o te rangahau tuatahi, ka whakatipu ake te hāpai i te tūmomo whakahaere matihiko. E hanga ana enei paetaki hei waewae ki te kuhu i ngā rārangi whakawehi mō te wāhanga whakamātau, me te whakarite i ngā pātai hoki, pērā i ngā āhuatanga wai e noho ana, ngā āniwaniwa o te maranga, me te roa o ia wāhanga whakamātau whakamātau i runga i ngā hiahia ā-momoe mō ngā ahumahi me ngā momo whenua. Hei tauira, ko ngā ahumahi e pai ana i te wai nui, pērā i te kānga rānei ko te pi, ka hia tonu te wāhanga whakamātau whakamātau whakamātau i mua i ngā ahumahi e āhei ana ki te tahutahu - wai, pērā i te whete rānei ko te korari. Ka whiwhi hoki te paetaki i te wehewehe i ngā mahi o te tūmomo i te wā real-time, kia tiakina ai te mea katoa.
Ko te hunga whenua mahi hei whai, ka whakarerekē tonu ngā whakahaere mō ngā reta tuawhiti i roto i te wā. Ko ngā momo hou e whakatupu ana i ngā āhuatanga pai-tauhere-kaipū, tae atu ki te iti i te kaiwhakamahi o te pūngao o te rautaki. Ka mutu he pai noa iho mō te taiao, ā, kei te āwhina anō i ngā mahiako ki te iti i ngā utu whakahaere. Kei te nui ake te whakahokiwhenua o te hononga ki te ao riro, me te whakaae me te whakahaere i te rautaki i runga i te wāhi kē. Ka taea e ngā kaiwhakahaere te whakahaere i te rautaki tuawhiti i runga i tētahi wāhi e kore nei e kitea, mā te whakaaroiti rānei, mā te rorohiko rānei, ko te mea nui nei he pai rawa. Ko te whakauru mai i ngā hunga whakamahere inoi me ngā alorithmata paerewa ai te hunga whakahaere i ngā mahinga tuawhiti. E taea ana e ēnei hunga whakamahere te whakauru i ngā raraunga nui mai i ngā wheako rerekē, pērā i ngā tohu ukuoneone, ngā wharekura rangi, me ngā matatika whakapiki hua kai, kia whakatakoto i te waehu tuawhiti pai rawa me ngā huringa wai mō ngā hua kai rerekē, ka puta ki te nui ake i ngā hua me te whakamahi pai ake i te wai.
Ka mutu, kua whakawhitiwhitiā te whakahaere wai i runga i ngā whenua māra i te ao hou me tana āhuatanga matihiko, tūtika, me te pai ake. Ki te whakarite tōna rārangi e ai ki te hanga, tōna āhua matihiko, me tōna tūhono ki ngā momo hunga matihiko o te nekeneke, ka whiwhi ia hei take whakamahere mō ngā kaiwhakaako whenua o te ao katoa. Ki te whai ake te hunga matihiko, ka noho nui ake hoki ngā reta whakahaere wai i te māngai i te mahi o te whakangungu kai, te tiaki i ngā puna wai, me te whakapae i ngā tikanga whakahaere māra pai.
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