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natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and

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Page 1: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 2: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 3: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 4: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 5: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 6: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 7: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 8: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 9: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and
Page 10: natres.psu.ac.thnatres.psu.ac.th/Department/EarthScience/File/Jumpen...297 204 Remark : Calculated based on 76 rubber trees/rai and fertilizer prices (November 2009) of Urea, DAP and