code: public static String getSLSAT(String[] soilParas) {
          if (soilParas != null && soilParas.length >= 3) {
              return divide(calcSaturatedMoisture(soilParas[0], soilParas[1], soilParas[2]), "100", 3);
          } else {
              return null;
          }
      }
docs: For calculating SLSAT
  
  @param soilParas should include 1. Sand weight percentage by layer
  ([0,100]%), 2. Clay weight percentage by layer ([0,100]%), 3. Organic
  matter weight percentage by layer ([0,100]%), (= SLOC * 1.72)
  @return Soil water, saturated, fraction