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A B C D E F G H I J K L M N P Q R S T U V Z [ เกษตรศาสตร์ ( Agriculture ) ] back |
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S S1 S2 S4 S5 S6 S7 S9 SB SD SF SH SK Su |
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S60 S62 S63 S67 |
| LC | คำอธิบาย | ||||||||
| 1 | Agricultural meteorology. Crops and climate | ||||||||
| 2 | Methods and systems of culture. Cropping systems Including fallowing, rotation of crops, plowing | ||||||||
| 3 | Agricultural conservation | ||||||||
| 4 | Melioration: Improvement, reclamation, fertilization, irrigation, etc., of lands | ||||||||
| 5 | Organic farming. Organiculture | ||||||||
| 6 | Special classes of lands and reclamation methods Including woodlands, burning of lands, deserts, saline environments, moors | ||||||||
| [แสดง 6/6 รายการ] | |||||||||