Research Article

Optimization of Controlled Water and Nitrogen Fertigation on Greenhouse Culture of Capsicum annuum

Table 3

Effects of different water and nitrogen levels on fruit quality.

Irrigation treatmentNitrogen TreatmentSoluble sugarCapsaicinNitrateSoluble solids

23.550.2325.880.427.85
26.440.2229.880.357.40
30.560.2232.940.317.60
26.130.1926.050.237.50

27.20.2027.810.457.95
32.340.2130.310.357.55
35.870.2142.240.337.05
27.960.1925.470.217.35

29.510.2128.450.677.25
37.190.2036.380.477.20
39.270.2146.530.357.04
31.130.1725.390.256.80

30.800.1923.670.706.95
40.100.1826.790.577.00
44.670.1630.550.406.85
31.930.1518.910.316.20

Significance level ( value)

Irrigation57.8615.9624.8126.7827.3
Nitrogen59.779.1261.3271.819.1
Irrigation × nitrogen2.530.83.673.272.09

Significance is indicated as for Table 2.