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Table 1 Physicochemical properties of soils in various farmlands in mid Taiwan

From: Biodiversity of soil algae in the farmlands of mid-Taiwan

Parameter

Rice paddy

Vegetable farm

Sugarcane farm

Tea garden

Orchard

pH (in H2O)

7.73±0.88

6.48±0.18

6.14±0.83

4.09±0.61

5.61±0.32

EC (μS/cm)

232±65

175±36

73±16

114±28

146±29

HU (%)

13.26±3.85

7.24±2.83

2.68±1.66

4.82±2.99

7.94±3.69

Chl-a (μg/L)

4.69±1.20

3.14±0.86

0.88±0.28

1.81±0.57

2.93±1.01

OM (%)

3.36±0.36

2.84±0.27

1.53±0.14

2.04±0.09

2.37±0.24

TC (%)

2.91±0.24

2.77±0.20

1.88±0.13

2.18±0.18

2.56±0.22

TN (%)

0.22±0.06

0.19±0.03

0.08±0.02

0.14±0.05

0.17±0.03

Canopy coverage (%)

83.6±13.7

31.8±11.1

44.5±9.5

51.2±6.4

61.8±12.3

  1. Chl-a: chlorophyll-a; EC: electrical conductivity; HU: humidity; OM: organic matter; TC: total carbon; TN: total nitrogen.