Ko te wai he mea nui i roto i te mahi whenua. Kāore i te wai, kāore ngā hua kai ki te whakarōpū, ā, ka noho kore kai a ngā mihinari. Heoi anō, ko te wai he mea taketake tēnā e whakamahi ana i runga i te maramatanga. Nā tēnei, he whakamahinga nui ngā rākau piki wai i te rā.
Kei te whakarongo ngā rākau piki wai ki te rā hei whakatū tonu i te wai mō ngā māra me te waipiro i runga i ngā whenua. Nā reira rākau piki wai e whakamahi ana i te rā hei āwhina i ngā mihinari ki te whakamahi i te wai me te iti i te rite o te rite. E hia ai tēnei i ngā mihinari kai e utu ana i te iti i te wai, nō reira he pai tēnei mo te taiao, ā, kei te āwhina i a rātou ki te tiakina i ō rātou moni.
Te tūroa o te mahi whenua e pā ana ki ngā momo whakaaro hou me te tiaki i te Papatūānuku. Ko te whaiwhai e meinga ana i solar power center pivot . Ko ngā kaiwhakahau, mēnā ka mahi rātou i runga i te wai ā-rā o te rā, ka taea e rātou te waiho i tō rātou wāhi hei tiaki i tōna ao mō ngā pepeke kei hea. Mēnā ka pai ake te hanganga matatika, ka whai ake ngā kaiwhakahau ki te whakamahi i ngā rangahau matatika o te wai ā-rā.
Ko te mahi whenua pūtaiao he whakamana i te whakaaro nui rawa atu i te mahi whenua. Ka whakamahi ngā momo whakaaro pūtaiao hei mahi ake tonu me te kore hara, mā te whakamahi i te wai ā-rā me ngā momo hanganga kīwaha. Mēnā ka tohatoha rawa atu te wai ki ngā kai mā te wai ā-rā central pivot irrigation system kei te awhina i ngā kaiwhakaako ki te whakamana i tēnā putake hei kitea ai te wai e hiahiatia ana kia puawai ake. Ko te mutunga he kai whakaraweke me te mōhiohanga nui atu mō te kai.
Kei te huri haere ngā take i waenganui i ngā mahi kai i ahu mai i ngā rākau whatuao i te rā. Kei te awhina ngā rangahau o Gengze i ngā kaiwhakaako ki te whakamahi i te wai i runga i ngā mahi kai, ka puta he kai nui ake me ngā putake ora rawa. Ki te whakamahi i te mana o Rāhina, ka āhei i ngā kaiwhakaako ki te iti i ō rātou hoko i ngā pūngao whenua me te tiaki i te taiao. Nā ngā rākau whatuao i te rā, he ao pai tonu mō te mahi kai.
Ki te kawe whakamutunga, he nui noa ngā take rākau i te marae kai mō ngā kaiwhakaako. Ki te whakamahi pai i te wai, te hanga i te wai hōhonu me te matatika hikoī, me te whakarerekē i te āhua i aumai ai te wai ki ngā mahi kai, kei te whiwhi i te oranga pai mō ngā awangawanga. Ki te kitea i mua atu, ko te hunga nui kei te whiu i te mahi kai i runga i ngā rākau whatuao i te rā mo ngā tau e heke nei.