Growing plants without soil; the A. B. C. of plant chemiculture (soilless agriculture, chemiculture, water culture hydroponics, tank farming, sand culture) including plant growth hormones and their use
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York
Chemical publishing co.
1939.
|
| Gaiak: |