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Table 2
N and K budgets for potential FFB yields (FFB contents according to Ng et al. (1999) and Teoh and Chew (1987), respectively), annual stem growth (Tarmizi and Mohd Tayeb, 2006), and environmental losses (Ng et al., 1999). FFB demands account for 59% to 72% of the total demand for N and 53% to 67% of the total demand for K.
Yield FFB | Export (kg ha−1 yr−1) | Total demand (kg ha−1 yr−1) | |||
---|---|---|---|---|---|
Trial | Mg ha−1 yr−1 | N | K | Na | Kb |
AK01 | 23.60 | 77.9 | 101.5 | 120.9 | 172.5 |
BB03 | 25.88 | 85.4 | 111.3 | 128.4 | 182.3 |
PR01 | 18.60 | 61.4 | 80.0 | 104.4 | 151.0 |
PS01 | 23.31 | 76.9 | 100.2 | 119.9 | 171.2 |
SG01 | 33.18 | 109.5 | 142.7 | 152.5 | 213.7 |
TG02 | 26.17 | 86.4 | 112.5 | 129.4 | 183.5 |
TG08 | 24.60 | 81.2 | 105.8 | 124.2 | 176.8 |
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