He mea whakairo pai rawa te pūtahi rākau hei āwhina i ngā mahi kai ki te hoko mara mōhio ake. He mea pērā i ngā whata ū i runga i ngā rara, e whakaheke ana i te wāhi hei whakawehi i ngā rerenga. Engari ka noho he mea nui ake te pūtahi rākau ki te hanga tahuhu wai, ka āwhina anō i ngā mahi kai ki te tiaki i ō rātou wā, moni me ngā taonga.
Kua whakaaeke tuatinitini te pūtahi rākau i te whakamārama mo ngā mahi kai ki te whakawehi i ō rātou whenua. Kaore ngā mahi kai e hiahia ana ki te whakarite tūru wai rānei e takoto ana ki te ringaringa; ka taea e rātou nei ki te tae atu i a rātou pūtahi rākau me te whakatakoto i aua. Ko tēnei Gengze ka tukuna i te wā e āhei ai ngā mahi kai ki te mahi i waenganui, pērā i te hī hua rānei me te heru whenua hou. Ki te whakawehi puhipuhi whakamahia pai te wai, ka toro nui ake te moni wai mō ngā mahi kai.
He taonga nui ngā Pūtahi Valley i roto i te mahi whenua tūranga, e whakangungu ana i ngā hua kai ki te whakamahere me te whanake i te hunga whenua. Ki te whakamahi i te hangarau GPS, ka taea e ngā kaiwhakaako whenua te whakatakoto i a rātou lindsay pivot irrigation kia whakawehi i ngā hua kai i runga i ngā wāhi e hiahiatia ana. Ka taea e ia te tirotiro i te mea e pai ana kia kitea e ia he wāhi mate e pai ana ki te whakapai i ngā hua kai me te iti iho i te wai i whakamahia.
Ka whakaae ngā Pūtahi Valley o Gengze ki ngā kaiwhakaako whenua kia whakapai ai ngā hua kai e taea ana i roto i tētahi tau. Valley nui rawa te rōpū whakawehi pikiwharaunga nā te whakawehi i te nui o te wai e tae mai ki ngā rākau, e āwhina ana ki te whakamahia te hauora me te mana o ngā rākau. Mō tēnei ka taea te whakatipu i ngā kai hua, he kai, he reremai me ngā aruhe hei oranga mō ngā mātāwaka me ngā tangata katoa e hiahiatia ana ki te kai.
Nā ngā pūtonga Valley e whakaaetanga atu ana i roto i ētahi o ngā momo mahi e pā ana ki ngā mātāwaka. Nō reira, inahea ko ngā huringa ā-ahurangi, ko ngā wai iti, rānei ko ngā mahi iti, ka taea e ngā pūtonga Valley te whakapai i ēnei take. Ki te whakarerekē i te mahi wai, ka whakaae ngā pūtonga Valley ki te whakawhiwhia i te manawa ki te whakapai i ngā whenua me te kai nei i a rātou.
He mea nui ngā pūtonga Valley ki te mahi hua parāoa. Ka whakapai i te āhei i ngā mātāwaka e mahi ai, ka heke i ngā utu, ā, ka tiaki i te taiao. Me te whakatika i te mea e taea ana te whakauru i te wai ki ngā kai i runga i te hunga matihiko, ka whakarerekē ngā pūtonga Valley i te mea e taea ai te whakapai i te kai. Ka whakamanahitia e ngā pūtonga Valley Gengze te whakapai i te kai mā te wai iti, ā, ka whakaae ki te whai kai mō āpōpō.