Skip to main content
. 2013 Jun 25;8(6):e67644. doi: 10.1371/journal.pone.0067644

Table 1. Soil dehydrogenase activity, leaf chlorophyll a, chlorophyll b, and soluble sugar contents.

Treatments Soil (mg TPF kg−1 dw d−1) Old leaf (mg g−1FW) New leaf (mg g−1FW)
Dehydrogenase activity Chlorophyll a Chlorophyll b Soluble sugar Chlorophyll a Chlorophyll b Soluble sugar
CK 13.10±2.74b 1.48±0.26c 0.86±0.10c 22.97±1.60b 1.11±0.078b 0.64±0.049a 31.98±3.43a
S 17.41±1.81ab 2.22±0.22ab 1.26±0.081ab 40.69±12.37ab 1.4±0.26ab 0.81±0.16a 30.68±9.78a
I 18.41±3.74ab 1.92±0.45bc 1.11±0.27bc 36.19±11.48ab 1.19±0.18b 0.70±0.10a 33.52±9.08a
S+I 20.81±2.86a 2.82±0.44a 1.56±0.24a 49.59±9.52a 1.46±0.14a 0.82±0.075a 31.57±6.77a

S: spray PPB; I: irrigation PPB; S+I: spray+irrigation PPB; CK: control. standard deviation of the mean (n = 3) is shown, different letters demonstrate a significant difference at P<0.05.