Ka whakawaiāki ngā kaiwhakaako i ngā hua o te whenua me ngā pūnaha whakawaiāki tuara-iwa. Ko tēnei te āheinga kia puawai ai ngā rākau, kia ora ai. Ka horo ngā pūwaiāki i tētahi wāhanga nui, whakawaiāki i ngā hua katoa ki runga i te marae kai. Māku e ako nei i te mea e āhei ana ngā kaiwhakaako. He aha tēnei pūnaha whakawaiāki tuara-iwa?
Ko tēnei tuhinga he mōhiohio mō te Gengze nui rawa te rōpū whakawehi pikiwharaunga . Kia tiakina ngā hua kia eke ana i te wai kia puawai ai. Ki te kore i te wai, ka mate ngā rākau. Ko ngā pūnaha whakawaiāki tuara-iwa he pūwaiāki nui e whiti ana i runga i ngā hua, e whakawehewehea ana i te wai i roto i tētahi pātiki tūponotia. Ko tēnei te take kia puawai ai ngā rākau, kia puta ai he nui atu o ngā hua me ngā kūmara.
Kua whakarerekētia te Whakawehi Pūnaha Pivot i te āputa i taea e ngā kaiwhakaahorangi ki te whakaputu i o rātau mahi. I mua i te hanga i ēnei pūnaha, kāore i taea e ngā kaiwhakaahorangi ki te whakawehi i ō rātau whenua ki runga i te ringa, rānei ko ngā pū wāhi nui e kore ana i whakawehi i te wai ki ngā tāngata katoa. Gengze rāngai whakamahinga wai i te pūtahi e hāngai ana i ngā kaihoko kia āhei ai rātau ki te whakawehi i te wai mo ngā mahinga oneone i runga i te mōhiohio atu, me te wā e tino roa. E hīnati ana tēnei kia taea e rātau te whakatipu i te kai me te hanga moni.
He nui ngā pai o te whakahaere wai i te tūranga iriwha i runga i ngā pāmu. He nui tētahi pai, ko te tiaki i te wai. Ko ngā pūhukahuka e whakawehi ana i te wai ki ngā mahinga me te mātauranga — he iti noa iho, engari kaua e nui neke. Ka taea te tiaki i te wai, me te iti i te mate whenua. Gengze pūnaha tuaropihikoi iti ka taea hoki te whakaiti i te moni mō ngā kaihoko, nā te mea ka kore e taea ana rātau te whakawehi i te wai ki ō rātau whenua ki runga i o rātau ringa.
Te center pivot irrigation machine hei whakapuakina i te hunga mahi hua whenua i tenei wā. Nā rātou e āwhina ana ngā mahi hua kai ki te whai i te maha rawa i te iti atu wā, me te wai iti. Ko tēnei he mea nui kia kai ai te ao nui nei, ka taea e ia katoa e kī mai nei. Ka mate nga mahi hua kai kei te kore e āhei ana ki te whakamahere i o rātau huarākau me te whakapuaki i te maha o te kai.
Ka taea e rātau te mahi hua kai pai ake i ō rātau pūhanga whatitiri ki te whakamahi i ngā pūhanga whakaroto ā-puku. Nānā i reira ka whakaroto i ngā huarākau i runga i te rohe katoa, e tirotiro ana kia tae atu ki te mōhio e taea ana e ia katoa. Ko tēnei he mea kaiherehere i te hanga o ngā rākau, e hiahiatia ana ngā inenga me ngā hua hua. Mahi hua kai ki waka whakawai rā ka taea e ia te hoko pai me te whiwhi moni nui i te hokohoko i ōna huarākau.