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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 | ||||||||
| Agricultural meteorology. Crops and climate | |||||||||
| Methods and systems of culture. Cropping systems Including fallowing, rotation of crops, plowing | |||||||||
| Agricultural conservation | |||||||||
| Melioration: Improvement, reclamation, fertilization, irrigation, etc., of lands | |||||||||
| Organic farming. Organiculture | |||||||||
| Special classes of lands and reclamation methods Including woodlands, burning of lands, deserts, saline environments, moors | |||||||||
| [แสดง 6/6 รายการ] | |||||||||