Chemistry Reference
In-Depth Information
d
n
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r
2
n
g
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Figure 3
A hierarchical model of factors that determine soil biodiversity and soil
processes.
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240% over a no-input control, respectively, while termites increased by 150%
and 120% when the two different organic residues were added to the soil (see
Table 5). Tian et al.
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similarly found higher earthworm and microarthropod
populations under planted fallows than under continuous cropping systems
Table 5
The abundance of soil macrofauna under different treatments in soil
at Maseno, Western Kenya.
Earthworms Termites Other macrofauna
----------------------- Number (m
22
) -----------------------
Treatment
Control
99 (9.5) c
229 (14.0) b
43 (6.3) d
Fertiliser
132 (11.0) c
348 (16.0) b
90 (9.4) c
S. spectabilis
572 (22.5) a
737 (25.4) a
391 (15.5) b
T. diversifolia
339 (18.5) b
652 (21.4) ab
309 (14.0) b
SED
(1.0)
(6.3)
(1.1)
Means followed by the same letter in a column are not significantly different at p ,0.05. Values in
parenthesis are square root transformed. SED 5 Standard error of difference of means. (Source:
Ayuke).
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