|
Management and use of Acrisols
|
Fig.1 Organic manuring |
(
Source: ISRIC, NL.) |
|
Fig.2 Steep slopes |
(
Source: ISRIC, NL.) |
|
Fig.3 Ditches |
(
Source: ISRIC, NL.) |
|
Fig.4 Rain-fed rice is a common crop on Acrisols in
Madagascar |
(
Source: ISRIC, NL ) |
|
Fig.5 Rain-fed rice is commonly intercropped with
cassava |
(
Source: ISRIC, NL ) |
|
Fig.6 Irrigated rice is grown in the valley and on lower
slopes |
(
Source: ISRIC, NL.) |
|
Fig.7 Many Acrisols on Madagascar are deeply incised by
erosion gullies |
(
Source: ISRIC, NL.) |
|
Fig.8 Dense Acrisols are difficult to till |
(
Source: ISRIC, NL.) |
|
Fig.9 First, the surface soil of the Acrisol is turned
over |
(
Source: ISRIC, NL.) |
|
Fig.10 Seedbed of small loose aggregates |
(
Source: ISRIC, NL.) |
|
Fig.11 Unprotected Acrisol surfaces slake easily under the
impact of rain drops |
(
Source: ISRIC, NL.) |
|
Fig.12 Caking of dispersed surface soil hindered the growth
of cassava plants |
(
Source: ISRIC, NL.) |
|
Fig.13 Slaking of the surface soil caused surface runoff of
rainwater |
(
Source: ISRIC, NL.) |
|
|