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000 100 200 300 400 500 600 700 800 900 [ เทคโนโลยีหรือวิทยาศาสตร์ประยุกต์ (Technology (Applied Sciences) ] back |
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600 610 620 630 640 650 660 670 680 690 [ เกษตรศาสตร์ (Agriculture) ] |
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630 631 632 633 634 635 636 637 638 639 [ Techniques, equipment, materials ] |
| DC | คำอธิบาย | ||||||||
| 1 | Techniques, equipment, materials | ||||||||
| 2 | Techniques, equipment, materials S S Agriculture (General) | ||||||||
| 3 | Use of agricultural structures | ||||||||
| 4 | Use of tools, machinery, apparatus, equipment | ||||||||
| 5 | Lawn mower repair | ||||||||
| 6 | Soil science | ||||||||
| 7 | Cultivation and harvesting | ||||||||
| 8 | Clearing, drainage, revegetation | ||||||||
| 9 | Water conservation | ||||||||
| 10 | Fertilizers and soil conditioners | ||||||||
| 11 | Composting | ||||||||
| [แสดง 11/11 รายการ] | |||||||||