Tuesday, October 08, 2013

Farm Composting Made Easy

Farm Composting Made Easy

Composting is not a regular farm activity. Conventional farmers get nutrients from chemicals and through crop rotations, as well as spreading dung from their livestock enterprises, should they have them. Organic farmers, who are forbidden the use of chemical fertilisers, have to rely entirely on crop rotations and mixed farming systems which produce quantities of dung and farm yard manure. Composting, the accelerated rotting of organic material, is mostly associated with smallholders and allotment keepers.

Full scale farmers are finding compost a good source of soil nutrient, and a wonderful soil conditioner. Composting dung and farm yard manure produces something far more beneficial than fresh or rotted dung. Material such as straw, green waste from council collection, waste from vegetable and fruit growing and processing, this and more can be converted into compost. Apart from its value to farmers, there's an increasing commercial market, created by the future ban imposed on the digging and use of peat. In the next two years, the horticultural industry will be searching for a substitute to go in the pots of bedding and other plants.

Composting is set to become far more main stream than at present.

  • Farmers and advisors are recognising that the condition of soils is deteriorating, both on arable and grassland. Soil is losing organic matter. The contribution of farm yard manure, or cattle slurry, is a fraction of what happens when the manure is turned into compost. The elements of phosphate and potash are both made more accessible to plants, and the compost makes a big improvement in soil structure, leading to increased worms and other biological activity.
  • The rising cost of chemical fertilisers is making compost and other natural sources of plant nutrients increasing valuable, and therefore popular. 
The current issue of Practical Farm Ideas magazine features a home built compost turner - one which would suit a farm with up 600 acres. The project requires:
  • general workshop skills, 
  • parts which can be sourced locally for scrap metal prices - the main component is a heavy duty lorry axle.
  • a week or less of work  
So instead of starting the farm composting with a substantial investment in a machine to turn and aerate the material - it's a tedious and poorly done job using a loader and bucket  - a turner can be made with a few components and a few days in the workshop. The machine we feature has turned 25,000 cu metres over the last few years, and has the ability to turn more. 

Composting machine is home built in farm workshop
The home built compost turner uses an adapted lorry rear axle and drive shaft to turn the windrow of compost
   

The PT 170 composter is a significant farm investment 
Soil with low organic content, few worms, little biological activity
Soil with low organic content, few worms, little biological activity

This soil is has been managed differently, with plenty of organic material resulting in a high worm count and good water retention
As chemical fertilisers become increasingly expensive, farmers who are wanting to reduce costs and save money will be turning to ideas such as compost and other methods to improve the fertility of their land through biology rather than chemistry. 

Building a compost turner in the workshop is the kind of project which will pay huge dividends over the next few years. The home made machine can be replaced by something bigger and more costly when composting experience is gained. 

Click HERE for more information on the home built machine

Further info:

Practical Farm Ideas is a good source of information on reduced tillage systems. There's a feature on Cover Cropping in Vol 22-1 which we forecast will become "The Next Farm Revolution', because it answers so many of today's problems: declining soil condition; increasing inputs especially of diesel, fertiliser and pesticides; increasing need for heavy expensive machinery; reduction in habitat for birds, wildlife and insects. The magazine is so enthused by the topic of cover cropping the next issue has a further feature that shows how a 3,000 acre Midlands farmer has made the conversion, has got rid of his big machines such as the Caterpillar Challenger 875C (which could use 120 litres of diesel/hr towing the Simba Solo), the John Deere 8530, and now does the whole farm with a couple of 240hp tractors, and at a push says he could do it with just one.

A subscription will ensure you receive this interesting farm publication through the post.



Mike Donovan
editor, Practical Farm Ideas


11 St Mary's St, Whitland, Carmarthenshire, SA34 0PY  T: 01994 240978
28 Brampton St, Ross on Wye, Herefordshire HR9 7EQ   T: 01989 218268



T:  01994 240978       M: 07778 877514 
www.farmideas.co.uk     editor@farmideas.co.uk   Twitter: @farmideas    


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5 comments:

  1. Your blog is really nice which provides a great info about Farm Chemical Users Course.I would like to thanks to share such type of great info.

    ReplyDelete
    Replies
    1. mistype on the email address Jessica - mike@farmideas.co.uk thanks

      Delete
  2. Hi Jessica
    I'd be happy to promote for you - could you send any info to mike@farmiadeas.co.uk
    Many thanks

    ReplyDelete
  3. We think Compost in Agriculture is really beneficial. Although an large upfront investment the end results will in the end pay for it. Especially if you can team up with some other farmers and share resources and compostable products.

    ReplyDelete
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