User Guide

10
Tolerance of some common plants to the soil conductivity (Ayers &
Westcot, 1976).
• EC
0
= maximum of tolerated soil conductivity (salinity).
• EC
75
= with this soil conductivity value the 75% of the maximum
yield is produced.
• EC
100
= minimum soil conductivity value, then the yield starts
decreasing.
ORCHARD
Grapevine
Orange & Lemon
Apple & Pear
Walnut
Plum
Peach
Apricot
VEGETABLES &
HERBACEOUS CULTIVATIONS
Melon
Spinach
Cauliflower
Tomato
Watermelon
Potato
Lettuce
Pepper
Carrot
Onion
Strawberry
Oat
Cotton
Sugar beet
Soybean
Maize
Bean
EC
0
(mS/cm)
12
8
8
8
7
6.5
6
16
15
13.5
12.5
10
10
9
8.5
8
7.5
4
28
27
24
10
10
6.5
EC
75
(mS/cm)
4.1
3.3
3.3
3.3
2.9
2.9
2.6
5.7
5.3
5.5
5.0
4.4
3.8
3.2
3.3
2.8
2.8
1.8
13
13
11
6.2
3.8
2.3
EC
100
(mS/cm)
1.5
1.7
1.7
1.7
1.5
1.7
1.6
2.2
2.0
2.8
2.5
2.5
1.7
1.3
1.5
1.0
1.2
1.0
8
7.7
7
5.0
1.7
1.0