RESULT
Base on the overall physical characteristic of the area, suitability of the and in Udon Thani
province for sugarcane production could be classified into several classes scattering throughout the
study area as shown in Fig.4. Details of areas and suitability classes were give in Table 3 which
were :
1) Area of high suitability (S1)
This referred the areas which processed the best physical quality for sugarcane
production. However, the occupied the least of the area studies having total area of 99.763 km2 or
0.85% of the provincial area. The land of this suitability class was found as long and narrow
occupying upland area situation in the upper part of the province.
2). Area of moderate suitability (S2)
The land which was classified into this suitability class possessed moderate physical
quality for sugarcane production. It covered total area of 1,537.926 km2 or 13.11% of the provincial
area being the second largest area compared with the area marginally suitable for sugarcane
production. The land of this class scattered throughout the province the lower part of the study area.
3). Area of marginal suitability (S3)
Classified as low or marginally suitability for sugarcane production, this type of
suitability class occupied the largest area of 1,666.858 km2 or 14.2% of the lower part which is
connected to Udon Thani province.
4). Area of non-suitability for sugarcane production
The area of this suitability class was regarded as unsuitable for sugarcane production.
These are the areas which lies in floodplain which flooding may occur during the rainy season and
those occupied with conservation area. In addition, this land class also included settlement and
urban area as well as the area used by industrial sector and various communities. It occupied total
area of 6,362.474 km2 or 54.24% of province.
5). Mixed area
This referred the processing 2 different suitability class for sugarcane production which
could not be clearly separated. This was resulted from data limitation particularly soil data (soil