The
Root of the Problem
Dr. John Zarb
Article from Organic Farming (Cover Story) Winter 2004 Issue 84
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Like it or not,
weeds are a part of
organic farming. Indeed, they should be seen as an important component of the farm. As long ago
as 50 years, progressive
farmers and commentators, such as Newman Turner, Albert Howard and Lady Eve Balfour, went to some length to highlight the value of farmland weeds to a sceptical new generation of modern farmers, seduced by the promise of chemical herbicides. The value of weeds
Newman Turner
used chickweed and
groundsel as green manure, lightly discing the plants before they set seed. He over- wintered stock on weedy cereal stubble, feeding ad lib oat or barley straw in the field. And he mowed cereal field margins for silage before combining. Weeds have vital
ecological and aesthetic
value as green manures, forage, seed, food, habitat and soil cover, and as sources of genetic biodiversity - all key factors in organic farming systems. Having said that, some weeds like ragwort, spear thistle, creeping thistle and dock can be serious problems in grass and arable crops. And as they are listed as injurious weeds under the 1959 Weeds Act they must be controlled in any case. In an age where
we are conditioned
to think that only technological solutions are desirable, and where any kind of manual labour smacks of 'backwardness', we have shown that manual work is an efficient and cost effective method of controlling weeds when integrated with other weed control measures - provided you have the right tools and the right approach. Necessity, mothers and invention
Philip Trevelyan
produces organic
cereals and sheep on his own land, and grazes organic sheep on common land at Spaunton, North Yorkshire. Faced with the problem of ragwort and thistle control on large areas also grazed by neighbouring farmers, he was compelled to come up with weed control methods that would not compromise his organic status. Several years
of trials led to the
development of a range of hand tools built on the farm under the name of the Lazy Dog Tool Co (LD). These tools exemplify the application of appropriate technology. They were designed to completely remove thistles, dock, and ragwort with minimum bending. This weeding technique has come to be known as RIP - the 'removal of individual plants'. Three main tools
are used on the farm:
the LD fork for the removal of dock, spear thistle, and ragwort; the LD chisel hoe for the removal of creeping thistle by cutting just below the point of growth; and the weed hook for cutting and retrieving weeds and debris from beneath fences and hedges. |
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