Title	Land Classification Report : Lam Pra Plerng Irrigation Project. Volume I. Text and Maps
Imprint	Bangkok : Ministry of National Development/Royal Irrigation Department, 1973
Connect to	https://digiverse.chula.ac.th/Info/item/dc:88137
Descript	254 pages

Describes the survey area, citing location and topography, climate, agriculture, and crop statistics. Presents the land classification program, noting field soil examinations, field investigations, laboratory program, and cartographic procedures. Contains land classes for rice crops and for upland-type crops. Studies soil productivity, covering soil suitability for principal crops under irrigation, soil management, and expected crop yield. Surveys field water requirements, drainage and water quality. Deals with soil chemical analyses, soil physical analyses, and laboratory data comparison. [TAIC]

1. land
2. geology
3. science
4. industry
5. agriculture
6. statistics
7. climate
8. water resources
9. geography
10. husbandry
11. NE Thailand

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