Research Article

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 treatmentNitrogen treatmentMarket yield (t⋅hm−2)WUE (kg⋅m−3)PFPN (kg⋅kg−1)

22.198.9773.96
30.2811.48126.16
31.5111.95196.96
24.119.14301.32

25.5011.0079.69
34.8515.03145.19
32.4814.01203.00
25.6811.07320.95

23.0311.5271.95
32.9916.50137.45
31.6315.82197.67
23.1711.59289.57

15.209.0547.51
20.1812.0284.08
20.8412.41130.26
14.878.86185.90

Significance level ( value)

Irrigation220.77220.772.60
Nitrogen103.34103.342.88
Irrigation × nitrogen126.29126.2910.93

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.