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 6

Interaction effect of planting time (PT) and nitrogen (N) rate on total phenolic content (TPC) and total carotenoid content (TCC).

PTN rateTPCTCCMoisture
(kg ha1)(mg GAE g−1 DW)(μg g−1 DW)(%)

EarlyControl7.65 a1134 j94.8
EarlyLow7.19 ab1446 f-i95.4
EarlyMedium7.12 abc1300 hij95.1
EarlyHigh7.52 ab1284 ij95.2
MidControl6.73 bc1543 zd-i96.2
MidLow6.33 c-f1529 ze-i95.2
MidMedium7.07 ab1804 abz95.5
MidHigh5.90 d-g1547 z c-i95.7
LateControl5.51 efg1427 g-j93.6
LateLow5.41 fgh1459 z f-j93.9
LateMedium5.05 gh1556 z b-j94.3
LateHigh4.88 h1767 a c-f94.1

Means sharing the same alphabetical letters within the same column are not significantly different at the 5% level; c-f represents cdef.