Open Access

Table 8

Change in annual yield per palm in kg of bunches.

 Treatment Year of planting

3 4 5 6 7 8 9 10 11 12
D 1 2.5 ab 27.2 34.7 81.0 70.0 110.2 ab 125.1 a 135.9 a 132.6 a 148.8 a
D 2 1.5 c 27.5 35.8 79.4 61.2 114.4 a 117.9 a 122.9 a 125.3 ab 140.9 a
D 3 1.7 bc 29.9 36.6 75.3 64.6 109.9 ab 112.0 ab 122.0 a 125.3 ab 122.0 ab
D 4 3.0 a 34.4 33.6 74.2 56.9 98.9 bc 83.6 cd 106.4 ab 102.7 bc 103.2 bc
D 5 1.5 c 29.9 35.0 66.6 59.8 93.2 c 97.5 bc 112.4 ab 114.8 abc 109.2 bc
D 6 2.7 a 36.1 29.1 66.6 59.2 91.2 c 76.4 d 91.2 b 88.5 c 90.7 bc
Mean 2.2 30.8 34.1 73.9 62.0 103.0 102.1 115.1 114.9 119.2
Limit < 0.01 ns ns ns ns < 0.05 < 0.01 < 0.01 < 0.01 < 0.01

Limit = limit of significance; not significant (ns) or significant under 5% or highly significant under 1%.

a,b,c… = classification of the treatments according to the Tukey test at 5%.

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