Record Slake Score
0: Dissolves into single grains – lump collapses completely, as soil is too unstable to isolate aggregates.
0.5: Soil slumps into pyramid – lump collapses into a cone of <2mm grains, water is cloudy.
1: Breaks into angular pieces – the lump breaks up into larger angular pieces, indicating a loose, granular surface layer.
1.5: Stays mainly intact – lump edges crumble slightly but remains largely intact.
2: Lump intact – lump remains completely intact and the water is clear, indicating your soil is resistant to erosion
Make notes: Anything interesting you’ve noticed!