Footpaths5 min read
The soil a muddy shortcut carries away
A shortcut can compact soil, channel rain and move sediment, but a muddy track alone cannot tell us how much ground has truly left the slope.
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Roots6 min read
What a root tip can sense
A growing root responds to gravity, water, obstacles and salt through different cells near its tip. The turn is made by unequal growth, not one all-purpose sensor.
soil5 min read
Soil Carbon Is Made and Unmade by Living Processes
Microbial growth, mineral association, and continuing losses make soil carbon a trajectory rather than a passive deposit.
Urban trees5 min read
The soil beneath a street tree
A planting opening reveals little about a street tree's future roots. Soil condition, connected space and pavement design shape the canopy that can grow above it.