Influences of Farming Practices on Soil Properties and the 2-Acetyl-1-pyrroline Content of Khao Dawk Mali 105 Rice Grains

Figure 3

The soil pH value (a, b) and electrical conductivity (c, d) of the soils in organic and conventional farming systems (ORF and CRF, respectively). The error bars represent the standard deviation of measurements for nine soil samples.

(a)

(b)

(c)

(d)