Table 3

Effects of Mg and N fertilization on the average Mg and N contents of frond 17 in trials TT02 and TT08 at 10 to 17 years old and 10 to 15 years old palms, respectively.

Effets de la fertilisation en Mg et en N sur les teneurs moyennes en Mg et en N de la feuille 17 dans les essais TT02 et TT08 respectivement de 10 à 17 ans et de 10 à 15 ans.

  Mg content (%D.M.)     N content (%D.M.)  
Rate TT02 TT08 Rate TT02 TT08
Mg0 0.087 b 0.134 a N0 2.24 b 2.30 b
Mg1 0.149 a 0.146 a N1 2.28 a,b 2.39 a
Mg2 0.181 a 0.147 a N2 2.34 a  
P-value 0.000 0.062 P-value 0.040 0.000

Average Mg fertilization rates were 0–60–120 kg MgO ha−1 yr−1 for TT02 and 0–40–80 MgO ha−1 yr−1 for TT08. Average N fertilization rates were 0–60–150 kg N ha−1 yr−1 for TT02 and 0–200 N ha−1 yr−1 for TT08.

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