Projected Crop Coefficients Under Climate Change in Egypt
285
Table 9 The projected date of Kc growth stages and its values for the studied fruit crops in the
agro-climatic zone in Egypt in 2030
Crop
Data of growth stages
Kc value
Kc ini
Kc mid
Kc end
Kc ini
Kc mid
Kc end
Apple
10-Feb
10-Aug
9-Feb
0.55
1.05
0.80
Citrus
10-Feb
10-Jun
19-Feb
1.00
1.00
1.00
Date
10-Feb
10-Jun
10-Feb
0.95
0.95
0.95
Grape
10-Feb
28-Apr
9-Feb
0.45
0.80
0.35
Olive
10-Feb
10-Jun
9-Feb
0.80
0.80
0.80
Stone fruit
10-Feb
10-Aug
9-Feb
0.55
1.05
0.65
0.00
0.20
0.40
0.60
0.80
1.00
1.20
Apple
Citrus
Date
Grape
Olive
Stone fruit
2016 Kcini
2030 Kcini
2016 Kcmed
2030 Kcmed
2016 Kcend
2030 Kcend
Fig. 5 Comparison between Kc values in 2016 and 2030 for studied fruit crops in the agro-climatic
zones of Egypt
4.3 Comparison Between Kc Values for the Studied Fruit
Crops in 2016 and 2030
The values of Kc for the studied fruit crops in 2016 were obtained from Ouda [38]
to compare it with the obtained values in 2030. Figure 5 showed that there were no
differences in the value of Kc in its three growth stages in 2030, compared to its
counterpart values in 2016 in the five agro-climatic zones of Egypt.
4.4 The Projected Value of ETc for the Studied Fruit Crops
in 2030
Table 10 showed the values of ETc for the studied fruit crops in the five agro-climatic
zones of Egypt in 2030. Although the projected value of Kc for fruit crops will have
similar values to its counterpart in 2016, the table showed that the projected values