Gruppi Operativi

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Invisible fencing in wood pasture - A comparison of costs

Why invisible fencing?

Invisible fencing is an innovation that allows the control of cattle movement without needing physical barriers. In open areas, cattle can be fitted with a Geographical Positioning System (GPS) which will signal when a cow approaches a boundary.

Under trees in a wood pasture, due to the intermittent GPS signal, an alternative method is to bury an electric cable in the soil surface that emits a shortwave radio signal which is sensed by a transponder on a cattle collar. The transponder emits a noise as a cow approaches the boundary and, if she does not turn back, it provides an electric pulse similar to an electric fence. At Epping Forest, each collar also includes a GPS sensor which helps to locate the cattle.

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Featured Farm of the day

Wakelyns Agroforestry - a diverse organic silvoarable system in the UK

The general layout of the farm (Google Earth UK postcode IP21 5SD) is a series of 2 ha alley-cropping systems, with all production hedges aligned north-south on each side of 12m wide cropping areas. There are two coppice systems (hazel, willow), two mixed hardwood systems (ash, hornbeam, Italian alder, oak, small-leaved lime, sycamore, wild cherry, with or without apple) and two mixed fruit and nut systems. The organic crop rotation (cereals-ley-potatoes/squash-ley-cereals) runs as a single cycle around the whole farm.

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Alley-cropping at Vattholma, Sweden

Iberian pig feeding on holm oak acorns

Red Tractor Farm

Darliner Farm

Silvopastoral system with Ash at Loughall, Northern Ireland

Willow coppice, Netherlands

Bisons in a forest reserve, Poland

Wild asparagus in traditional olive orchard at CRA OLI Spoleto, Italy

Fattening pigs in willow Research Centre Foulum

Weed control at Bosques Naturales

Gruppi Operativi