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Table 5 Effect of cropping season on maize yield and growth parameters

From: Assessment of the nitrogen fertilizer split-application on maize grain yield and profitability on Nitisols of South-Kivu, Eastern D.R. Congo

Season

Growth parameters

 

DCF (cm)

DCM (cm)

PHF (cm)

PHM (cm)

EIH (cm)

2017B

1.3 ± 0.2a

1.9 ± 0.3a

98.0 ± 2.5b

194.0 ± 11.2b

86.0 ± 15.2a

2018A

1.5 ± 0.3a

2.0 ± 0.3a

114.3 ± 20.4a

205.8 ± 21.6a

83.6 ± 6.6a

P-value

0.087

0.139

 < 0.001

0.0056

0.399

 

Yield parameters

 

NEP

WEP (g)

W1000G (g)

Yield (t ha−1)

2017B

1.2 ± 0.2a

277.5 ± 30.3b

464.8 ± 76.2a

5.0 ± 0.5b

2018A

1.3 ± 0.2a

294.1 ± 37.8a

453.7 ± 75.7a

5.7 ± 0.6a

P-value

0.069

0.045

0.533

 < 0.001

  1. DCF diameter of the stem collar at flowering; DCM diameter of the stem collar at maturity; PHF plant height at flowering; PHM plant height at maturity; EIH height at the ear insertion; NEP number of ears per plant; WEP weight of ears per plant; W1000G Weight of 1000 grains; a, b: The average of the same column and the same factor followed by the same letters are not statistically different at a probability level of 5% according to LSD test (Least Significant Difference)