A photograph of a tractor with a rotary hoe flattening a liquefaction blister on a farm near River Road in Lincoln.
A photograph of a tractor with a rotary hoe flattening a liquefaction blister on a farm near River Road in Lincoln.
A photograph of a tractor with a rotary hoe flattening a liquefaction blister on a farm near River Road in Lincoln.
A photograph of a tractor with a rotary hoe flattening a liquefaction blister on a farm near River Road in Lincoln.
A photograph of a rotary hoe being used to remediate a large sand volcano on a farm near River Road in Lincoln.
A photograph of a rotary hoe being used to remediate a large sand volcano on a farm near River Road in Lincoln.
A photograph of a close up view of damage to the ground and fencing at a farm near Telegraph Road in Darfield.
A photograph of a large sand volcano on a farm near River Road in Lincoln being spread out with multiple power-harrow passes.
A photograph of a tractor on a farm near River Road in Lincoln, ready to drive a power harrow over a liquefaction blister.
A photograph of contractor Tony Fisher of Fisher Agricultural Ltd. inspecting a dug out soil pit on a farm near River Road in Lincoln.
A photograph of the result of a liquefaction blister that has been flattened with a power harrow on a farm near River Road in Lincoln.
A photograph of the result of a liquefaction blister that has been flattened with a rotary hoe on a farm near River Road in Lincoln.
A photograph of the remains of a liquefaction blister that has been flattened with a rotary hoe on a farm near River Road in Lincoln.
A photograph of Peter Almond (wearing high visibility jacket) and Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of Peter Almond (wearing high visibility jacket), Derrick Moot and contractor Tony Fisher of Fisher Agricultural Ltd. inspecting a dug-out soil pit on a farm near River Road in Lincoln.
A close-up video of liquefied soil on a farm near River Road in Lincoln. Contractor Tony Fisher, of Fisher Agricultural Ltd, is jumping lightly up and down to demonstrate the soil's jelly-like structure.
A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of contractor Tony Fisher of Fisher Agricultural Ltd. inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of soil remediation work being carried out on a farm near River Road in Lincoln. The soil liquefied following treatment with a rotary hoe, but after four to five hours the soil regained much of its strength and was no longer jelly-like.
A video of a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end. The saturated soil is collapsing as a result of contractor Tony Fisher, of Fisher Agriculture Ltd, jumping lightly up and down on the edge of the pit.