Humus: origin, chemical composition, and importance in nature
I tiakina i:
| Kaituhi matua: | |
|---|---|
| Hōputu: | Pukapuka |
| Reo: | Ingarihi |
| I whakaputaina: |
Baltimore
Williams and Wilkins
1938
|
| Putanga: | 2a. ed |
| Ngā marau: | |
| Ngā Tūtohu: |
Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!
|
Biblioteca de Agronomía -
| Tau karanga: |
631.417 WAK 1938 |
|---|---|
| Tārua 2629453 | Wātea Whakarite puringa |