 |
| |||
| carbon-nitrogen-phosphorus ratio; C-N-P ratio | |||
| фосфорное соотношение: 3 phrases in 1 subject |
| Natural resourses and wildlife conservation | 3 |
|
| |||
| carbon-nitrogen-phosphorus ratio; C-N-P ratio | |||
| фосфорное соотношение: 3 phrases in 1 subject |
| Natural resourses and wildlife conservation | 3 |