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Table 1 Physicochemical properties of planting soil

From: Growth, yield, genetic parameters and random amplified polymorphic DNA (RAPD) of five rice varieties treated with sodium azide and sown under different saline conditions

Parameters

Units

Mean

pH

-

6.02

Electric conductivity

μs/cm

303

Total organic carbon

%

0.41

Total nitrogen

%

0.13

Exchangeable acidity

meq/100 g soil

0.2

Na+

meq/100 g soil

11.46

K+

meq/100 g soil

1.54

Ca2+

meq/100 g soil

15.6

Mg2+

meq/100 g soil

11.3

Cl-

mg/l

1666

Available phosphates

mg/l

153

Ammonium nitrogen

mg/l

25.4

Nitrite

mg/l

15.01

Nitrate

mg/l

30.75

Sulfates

mg/l

14.63

Clay

%

4.4

Silt

%

7.8

Sand

%

87.8

Fe3+

mg/l

1011.43

Mn2+

mg/l

17.03

Zn2+

mg/l

14.76

Cu2+

mg/l

3.31

Cr+

mg/l

2.11

Cd+

mg/l

> 0.001

Pb2+

mg/l

0.03

Ni+

mg/l

2.54

V+

mg/l

1.36

Total hydrocarbon content

mg/l

754