Research Article

Plant Growth and Nutritional Quality Attributes of Basella alba Applied with Variable Rates of Nitrogen Fertilizer at Different Planting Dates under Canadian Maritime Climatic Conditions

Table 4

Analysis of variance values for the main and interaction effects of planting time (PT), nitrogen (N) rate and total soil N, nitrate-N, and ammonium-N covariates on the number of branches, total yield, and leaf dry matter content (LDMC), total phenolic content (TPC), and total carotenoid content (TCC).

Source of variationTotal yieldLDMCTPCTCCNitrate content

PT0.130.380.200.380.63
N rate0.150.630.040.030.06
PT × N rate0.080.010.040.020.22
Total soil N0.960.280.870.880.57
Soil nitrate-N0.860.440.550.330.72
Soil ammonium-N0.200.920.700.550.66

values (/0.05–0.1) of significant and marginally significant effects that require multiple means comparison are shown in bold.