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of seedlings
FIGURE 12.4
Infiltration trenches collecting road runoff to enhance the growth of seedlings
Source: MetaMeta (www.roadsforwater.com).
PHOTO 12.6
Swale with overflow option along road in the Netherlands

Source: © MetaMeta (www.roadsforwater.com). Used with the permission of MetaMeta (www.roadsforwater.com). Further permission required for reuse.
distance between bunds include slope gradient, rainfall intensities, and infiltration rates. In very dry areas, trees can be grown above the bund; in more humid areas, it is better to plant them on the downside to minimize the risk of waterlogging.