| QK | Botany |
| S 583 - S 599.9 | Soils, Soil Science |
| S 600 - S 600.7 | Agricultural Meteorology, Crops and Climate |
| S 604.5 - S 604.64 | Agricultural Conservation |
| S 622 - S 627 | Soil Conservation |
| S 631 - S 667 | Fertilizers and Improvement of the Soil |
| SB 119 - SB 123.75 | Propagation |
| SB 818 - SB 945 | Pest Control and Treatment of Diseases |
| SB 950.9 - SB 970.4 | Pesticides |
| TP 963 | Manufacture, Fertilizers |
