Boron class

Semi-sensitive crops

Semi-tolerant and tolerant crops

Range (mg/L)

No of sample

Range (mg/L)

No of sample

Excellent

<0.33

7 samples

<0.67

13 samples

Good

0.33 - 0.67

6 samples

0.67 - 1.33

10 samples

Permissible

0.67 - 1

6 samples

1.33 - 2.0

3 samples

Doubtful

1 - 1.125

6 samples

2.0 - 2.5

1 samples

Unsuitable

>1.125

14 samples

>2.5

10 samples