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Table 7 Soil properties prior to and after experimentation at farmer’s durian orchard, Ban Na Subdistrict, Ban Na Doem District, Surat Thani Province (2017-2019)
Treatment 1 Treatment 2 Treatment 3
Soil Properties Prior to After Prior to After Prior to After Acceptable range*
experimentation experimentation experimentation experimentation experimentation experimentation
pH 4.10 4.07 4.10 3.95 4.15 4.03 5.5-6.5
EC 1:5 (dS/m) 1.73 2.15 1.67 1.83 1.69 2.26 2.0-3.0
Organic Matter (%) 310 389 172 394 214 381 35-60
Phosphorus (mg/kg) 118 214 89 265 88 286 100-120
Potassium (mg/kg) 56 111 51 98 90 148 800-1,500
Calcium (mg/kg) 10 14 10 11 18 16 250-450
Note : * Modified from Ankerman, and Large.1988.

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