KAUPAPA KAUPAPA:
1.Water maimoatanga: whakamahia hei aukati waikura, aukati tauine, kaihoko anti-osmotic, wai parani
2.Agriculture: whakamahia hei mahi tongi, kaiwhakatairanga tipu, makuku pupuri makuku, ka taea te whakauru me te whakarangatira i nga mea whai hua ki te oneone tipu.
3.Pesticide: He pai te insecticidal, sterilization me te marara tenei hua.
4.Chemicals: He pai te mahi tahi o tenei hua mo nga tai pararopi me nga tai pararopi.
5.Used i roto i te degradable rauemi matatau me rawa absorbent rawa.
WHAKAARO:
| 40% | paura |
| Te ahua: te wai parauri-whero | Te ahua: Te paura parauri-kowhai |
| Te taumaha ngota | Te taumaha ngota |
| Ihirangi totoka | Ihirangi totoka |
| PH: 9.0-11.0 | PH: 9.0-11.0 |
| Kiato g/cm3：≥1.24 | Kiato g/cm3: |
| Wairewa: —— | Wairewa: Ka whakarewahia ki te wai |
