Optimization of Controlled Water and Nitrogen Fertigation on Greenhouse Culture of Capsicum annuum
Table 2
Effects of different water and nitrogen levels on sweet pepper: marketable yield and WUE.
Irrigation treatment
Nitrogen treatment
Market yield (t⋅hm−2)
WUE (kg⋅m−3)
PFPN (kg⋅kg−1)
22.19
8.97
73.96
30.28
11.48
126.16
31.51
11.95
196.96
24.11
9.14
301.32
25.50
11.00
79.69
34.85
15.03
145.19
32.48
14.01
203.00
25.68
11.07
320.95
23.03
11.52
71.95
32.99
16.50
137.45
31.63
15.82
197.67
23.17
11.59
289.57
15.20
9.05
47.51
20.18
12.02
84.08
20.84
12.41
130.26
14.87
8.86
185.90
Significance level ( value)
Irrigation
220.77
220.77
2.60
Nitrogen
103.34
103.34
2.88
Irrigation × nitrogen
126.29
126.29
10.93
Statistical significance is shown as superscripts, with different superscripts indicating significant () differences within a parameter under constant irrigation. At the bottom of the table, significance values are indicated with value 0.001 and value 0.05.