SOIL CHARACTERISTICS


There are two soil series classified in the main site :Nakhon Pathom and Saraburi series. At Rangpho and the rented area, the soil series is Kamphaengsaen.

Generally, the soil has a pH of about 6.5-6.7, organic matter content of 1.20-2.27 %, phosphorus of 12-155 ppm, potassium of 142-332 ppm, calcium of 1330-3900 ppm and magnesium of 140-425 ppm. Soil drainage, in general, is poor.


NAKHON PATHOM SERIES


SARABURI SERIES


KAMPHAENGSAEN SERIES



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