AgroforestryWater

Water management, the ‘Keyline’ principle

Besides the soil, your water balance is perhaps the most important of all. Especially when you know that drier periods and showers that cause so much water to fall down that the soil can barely swallow it will now become more common.

It is smart to try to collect the water so that your plants and trees can fully enjoy it.

A former Australian mining geologist and engineer PA Yeomans was above all an entrepreneurial spirit. He left mining, where he was mainly an expert in ‘earthmoving’, for what it was and saw more benefit in running farms. After a severe fire caused by the drought, he lost almost everything. But it got him thinking. He combined his knowledge of the subsurface layers to protect his own farms from floods and drought.

His focus was on accelerating the formation of the topsoil by improving the penetration of oxygen, water and plant roots into the soil.

The keyline principle.

It Keyline The principle has only recently been thoroughly investigated.

The aim of the ‘Keyline’ water management is to consciously slow down, sink and disperse rainwater by reducing compaction, opening pore space in compacted soil and distributing excess water to drier parts of the landscape. This has the effect of buffering the natural concentration of water to valleys and reducing flooding.

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