WBC-VIII-Vol.4 – Resources – Forestry, Plantations and ... - BambuSC

Tree yield (t ha -1 )
200 (a)
150
100
50
0
Year
0 5 10 15 20
Bamboo yield (t ha -1 )
200
150
100
50
12
10
8
6
4
2
(b)
Cumulative yield
Yield each year
Year
0
0 1 2 3 4 5 10 15 20
Figure 1. Comparative analysis of (a) one-off harvest of one tree trunk at 20 years and (b)
annual harvests of culms from bamboo. From Midmore 2009a [with Permission]
Table 1 Average fertilizer-use efficiency of N, P and K in bamboo production for shoots and
timber
Fertiliser-use efficiency (t yield / kg nutrient)
Bamboo product
Nutrient Shoots Timber Average
N 0.03 0.17 0.13
P 0.04 0.02 0.02
K 0.08 0.54 0.45
Data from Kleinhenz and Midmore (2001)
VIII World Bamboo Congress Proceedings Vol 4-80