Ko ngā waka pūhuringa pūtaiao matua e tuku ai i ngā kai ki ngā kai e taea ai e rātau te whakatupu pai. Ka whakamahi ngā kaiwhiwhi whenua i ēnei waka hei whakatupu i ō rātau rākau i te kai tino pai e whai ake nei e whakapai ai i a rātau ki te ranga nui me te rangatira. Ko ēnei waka ko ngā waka nui e kī nei i te pūtaiao matua e tae ana ki ngā marae kai e whakatupu ana i te kai. Ko te pūtaiao matua liquid Gengze e tāpiri ana ki ngā rākau, ā, ka āhei ki te inu i ngā mea pai katoa e hiahiatia ana ki te whakatupu.
Ka taea e ngā matatika Gengze te whakarerekē ki te taurite o ngā hua kai mo ngā tipu rerekē. Kei a roto i ngā tipu rerekē ngā hua kai rerekē hei whakangungu. Ka taea e ngā kaiwhakahaere whenua te whakaaetanga he aha o ia hua kai ki runga i o rātau tipu me te awaawa raweke ngā kaihapa ukuwhakarite . Ki te whakatau, e tangohia ana ngā taumata katoa i runga i te mea e hiahiatia ana ki te whakangungu me te whakapai. Hei tauira, mehemea he kānga, e hiahiatia ana te nitrogena, nō reira ka eke pū te potae ki te kai. E taea ana ngā waka uku-whenua kia whakarite i ngā taumata pai rawa mō ia kai.
Ki te whakamahi pai, e pai ana te uku-whenua matua ki ngā kai i te whakapai me te whakapuaki ake. Ka rite noa te hunga whenua ki te hanga haere me te whakapuaki ake i te kai me te karaka ki te whakarite i ngā taumata pai. Ko tēnā he nui rawa mō ngā mātāwaka, kei taea e rātau te whiwhi i tētahi oranga pai i te kuhu atu i te maha o ngā kai ki te paerewa. Nā te mea hoki ko ngā kai pai kaore e āhei ki te mate ki te mate, kaore hoki e āhei ki te kaiārai kai. whakarite uku-whenua kia puawai ai ngā kai.
Kei te whakamahia ngā takitaki hei whakahē i te mea kua hē ki ngā ringaringa o ngā mihinare i te whakapuaki i te maha o ngā rorohiko, e hunga ana tērā hei mate i te taiao. I ētahi wā, ka kitea he maha rawa atu ngā rorohiko i whakapuakihia e ngā mihinare, ka riro i ngā awa me ngā pūhurotu, ka horoia te wai, ka mate ngā ika me ētahi atu kararehe. Ko te whakamahi i ngā kararehe rorohiko matiti heoi anō whakapuaki rorohiko mō te pīke whakaae i ngā mihinare kia whakauruhia te mōhiohanga pai, i te wā pai, me te rahi pai, e kī nei a Tortorello, kia iti noa ai te uiui ko te rorohiko ka riro i te hauwai. Ko tēnā he pai mō te taiao mō tātou, ā, kei whai mana tonu ai te wai.
Te whakamahi i Gengze mihinare whakapuaki rorohiko kua noho haere te whakarongo i te huringa, ā, kua heke i ngā utu mahi. I mua i ngā waka pūhuringa pūtaiao matua, kē ake ngā kaiwhiwhi whenua i taea te whakatupu pūtaiao ki runga i te whenua rānei i te ringa rānei, nō te mea ka oti nei. He iti rawa ngā waheke mō ngā waka, ā, ka taea e ngā kaiwhiwhi whenua te whakatupu i o rātau kai i te mea ka ora tonu, ka whakaiti i te wā me te moni. Ko tēnei ka taea e rātau kia whakaiti i te wā whakatupu pūtaiao, ā, ka whai wā tonu ki te tiaki i ō rātau kai. E mea ana tēnei hoki ka kore e hiahia ana rātau ki te utu mo te hiringa i te maha o ngā mahi, e whai ake ana i te moni.