Our Land Management

Most of the land at Underdown Moor is down to grass which is used to feed Sheep either by then grazing it or by cutting for Hay. We are still learning about our land and "its moods" It is very wet most of the year except for last year where it was very cold and dry! This year it has just been very dry which means the grass has not got off to a good start, so this year again the Hay crop will be down and prices will be high.

dung screader

The land has not had much "maintenance "over the years we have only just started putting Farm Yard Manure (courtesy of sheep) on it after we saved up and bought a dung spreader. The dung spreader is towed behind the tractor and connected to the PTO or  Power Take Off - this is shaft on the back of most tractors which provides mechanical power to various machinery. The use of Farm Yard Manure saves us buying and using nitrogen fertilisers. However there is more handling involved and it is not so concentrated, but it is much cheaper.

Browns Aerator

In  2011 we had a lone of a Browns Aerator from the  Devon Wildlife Trust machinery ring.


 

The Aerator is attached to the tractor on the 3 point linkage and weighted with something heavy, in this case concrete blocks and driven over the land to break up any soil compaction and aerate the roots of the grass it also helps drainage. It is just pulled across the land by the tractor you have to put a certain amount of weight on it. We put eleven concrete blocks weighing about 220 kilos. The Aerator is lowed on the Position control lever right down to level 1 which is the fully floating setting on our Ford 4610, this allows the Aerator to lift up if it hits a rock and Draft control is set to off. We trialed the Aerator in several fields.

Our initial purpose for the Aerator was to help with drainage. The theory is that the Aerator breaks up compacted soil and lets air and water through. We have taken soil samples from the various fields. The soil samples were taken from five different points in a "W" shape. A sample from the side of the field that was "Aerated" and sample from the side which was not.  The samples were sent to Mole Avon for analysis (by Lancrop Laboratories). The results were quiet interesting  

Non Aerated Side

 Aerated Side

The "Non Aerated side" of the field shows that it needs 4 tonnes of Lime per hectare. Where as the "Aerated side" needs only 2 tonnes per hectare. So does this mean that the aerator "unlocks" the Lime in the soil and as well from the results more of the minerals are shown as "Normal."  What's C.E.C (meg/100g) or  Cation Exchange Capacity  good question, I refer you to the Lancrop web site.  click here for the  Lancrop Laboratories web Site.

Links to Sites that speak fluent CEC!

http://www.soilminerals.com/Cation_Exchange_Simplified.htm  Note: This is an American site, so perhaps some of the information might not be directly transferable to England and Culm grassland,  but it is a very interesting site all the same.

 

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