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Table 1 Mean rainfall, temperature and soil properties in the sampling sites

From: Phenotypic and genetic diversity in Sinorhizobium meliloti and S. medicae from drought and salt affected regions of Morocco

Origin/population

Region

Isolate serial #

Mean rainfall (mm)a

Mean temperaturea

Soil properties

    

Min. (°C)

Max. (°C)

pH range

EC range (ds/m) b

Mn (mg/Kg soil) c

Zn (mg/Kg soil) d

Cd (mg/Kg soil) e

Rich Kser Wallal

Rich Errachidia

1-11

260

-2.5

40

8.03-8.08

4.66-5.37

1.12

4.6

0.02

Rich Kser Aït Said

Rich Errachidia

12-20

260

-2.5

40

8.03-8.53

3.62-5.66

1.12

4.6

0.02

Rich Kser Tabia

Rich Errachidia

21-32

260

-2.5

40

8

5.51-7.18

1.12

4.6

0.02

Ziz Kser Tamgroutte

Ziz

33-39

130

0.5

42

8.04

6.36

0.98

3.2

0.02

Demnate

Demnate

40-56

480

0

35

7.77-8.10

6.26-7.40

1.58

5.2

0.02

Ziz Kser Bouya Jerf

Jerf Erfoud

57-58

75

1

45

nt

nt

nt

nt

nt

Jerf

Jerf Erfoud

59-67

75

1

45

8.09

5.39

0.86

3.2

0.06

Erfoud Kser Ouled Maat Allah

Jerf Erfoud

68-72

75

1

45

8.35

10.5

4.12

3.1

0.08

Erfoud Hay Lagmbita

Jerf Erfoud

73-88

75

1

45

7.97-8.43

3.97-5.20

4.12

3.1

0.08

Erfoud Masoudia

Jerf Erfoud

89-102

75

1

45

8.01

5.66

4.12

3.1

0.08

Rissani Kser Moulay Abdelleah

Rissani

103-104

60

0

50

nt

nt

nt

nt

nt

Rissani Mezguida

Rissani

105-107

60

0

50

nt

nt

nt

nt

nt

Errachidia Domaine Experimental

Rich Errachidia

108-109

120

-5

45

nt

nt

nt

nt

nt

Errachidia Aïne Zerka

Rich Erracidia

110-117

120

-5

45

8.24

6.06

1.64

5.1

0.08

Aoufouss Zaouit Amelkis

Aoufouss

118

120

-5

40

nt

nt

nt

nt

nt

Toudra Tinghir

Tinghir

119-121

250

-0.5

42

8.1

5.12

2.07

9.4

0.04

Ziz Errachidia

Ziz

122-129

130

0.5

42

nt

nt

nt

nt

nt

Ziz Erfoud

Ziz

130-136

130

0.5

42

nt

nt

nt

nt

nt

Rich Ziz

Ziz

137-145

130

0.5

42

nt

nt

nt

nt

nt

Chichaoua Mjjat

Chichaoua

146

240

4.9

39

7.33

4.5

2.52

6.2

0.08

Alhaouz Asni

Alhaouz

147-149

230

2

39

7.53

5.2

1.66

9.3

0.02

Tahanaout

Tahanaoute

150-152

250

4

42

7.51

3.52

1.9

5.1

0.02

Alhaouz Tahanaout Imgdal

Tahanaoute

153

250

4

42

7.23

6.09

1.9

5.1

0.02

Azilal Demnate Lahrouna

Azilal

154-157

130

-1

42

7.73-8.21

5.89-5.97

1.75

4.5

0.02

  1. ppm = mg/Kg soil
  2. aAverage data of 15 year as of year 2005
  3. nt = Not tested
  4. Soil test interpretations (according to information available at ; ; Personal communication by Dr Abdelmajid Zouahri, INRA, CRRA, Rabat, Morocco): http://ag.arizona.edu/crops/cotton/soilmgt/saline_sodic_soil.html http://aces.nmsu.edu/pubs/_a/a-122.html
  5. bFor EC: Saline soil = EC > 4 ds/m; Normal soil = EC < 4 ds/m
  6. c For Mn: low = <1.0 mg/Kg; moderate = 1.0-2.5 mg/Kg; high = >2.5 mg/Kg
  7. d For Zn: low = <0.5 mg/Kg; moderate = 0.5-1.0 mg/Kg; high = >1.0 mg/Kg
  8. e For Cd: all the soils samples above the normal level (0.01 mg/Kg of soil)
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BMC Microbiology

ISSN: 1471-2180

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