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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

S S1 S2 S4 S5 S6 S7 S9 SB SD SF SH SK Su

S60 S62 S63 S67

ลำดับที่	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
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