Agriculture Reference
In-Depth Information
Fig. 3.2.1.
Nitrous oxide emissions and available soil N following incorporation of Gliricidia(filled
circles), Calliandra(filled squares), Peltophorum(filled triangles) leaves and control (empty circles).
Error bars represent
one standard error.
±
Table 3.2.2.
Total cumulative emissions of N
2
O (mg N
2
O-N m
−
2
).
Total emission (mg N
2
O-N m
−
2
)
Treatment
Experiment 1 (23 days)
Gliricidia sepium
9.7 (1.7)
Calliandracalothyrsus
3.4 (0.4)
Peltophorumdasyrrachis
2.6 (0.6)
Control
1.1 (0.7)
Experiment 2 (29 days)
Sesbaniasesban
8.1 (2.4)
Macroptiliumatropurpureum
8.9 (2.3)
Ground Sesbania
10.0 (3.7)
Control
5.1 (3.4)
Values in parentheses represent
±
standard deviation of the mean.
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