BIO-FERTILISERS 
Nitrogen Fixing Soil Bacterial Inoculants

So what are Bio-Fertilisers?

Bio-Fertilisers have been widely used for many years in North and South America, Canada, Asia, the Middle East, Africa New Zealand and Australia. Bio-Fertilisers are inoculants based on selected strains of naturally occurring bacteria which live on organic matter in the soil, in close association with the plants roots or on the leaves of crops and which fix Nitrogen from the atmosphere into a form that can be utilised by the crop. 

- A Revolution in Farming -

Bio-Fertilisers work in a similar way to rhizobium bacteria in clover and other legumes. They are designed to be applied using a conventional crop sprayer usually in the Spring.  

They can be used on most commercial crops not just legumes though Bio-Fertilisers are particularly effective in promoting the growth and nitrogen fixing ability of legumes such as red or white clover, peas and beans. Bio-Fertiliser bacterial inoculants have been used successfully on a very wide range of crops overseas, including grassland, maize, wheat, barley, rice, soya, beans, groundnut, cotton, sunflower, rape and other brassicas, horticultural crops, fruit crops, glass house crops and even forestry and flowers. 

- At last Bio-Fertilisers have come to the UK -

Organic-N and TwinN 

RWN is working closely with Tricet UK to bring the benefits of two new innovative new products to farmers, Organic-N and TwinN. Tricet's team of agronomists have spent several years trialling Bio-Fertilisers on a range of crops on commercial farms and at Warwickshire College, Moreton Morrell. 

Results have been impressive. On grassland the equivalent of up to 6 - 8 bags of ammonium nitrate / acre has been cut to 1 bag on nitrogen and one or two applications of Organic-N. Yields have been maintained and Moreton Morell's fertiliser bill has been cut by well over £12000. Fertiliser inputs have been cut from 200t of N and 60t of P & K per year to 28t of N and a small amount of phosphate for the maize. Yet after 4 years use, soil organic matter and earth worm populations have improved and P & K indices have increased. 

Also at the college use of TwinN on spring barley compared with conventional nitrogen fertiliser, resulted in an increase in yield of 1tonne per acre. The benefits of Bio-Fertilisers have been confirmed by a number of trials by ADAS and other organisations within the UK.

Organic-N supplies nitrogen fixing bacteria which are active  in the soil and convert nitrogen from the atmosphere into a form that can be used by the crop.  TwinN has the added advantages that in addition to a range of  soil active bacteria it also contains a novel strain of endophytic bacteria which live on the leaves of the plant and supply nitrogen directly to the crop canopy. Results show that TwinN is highly effective in a wide range of crops providing clear economic benefits resulting from either significant yield increases or production of  comparable yields with reduced applications of nitrogenous fertilisers.

Environmental Benefits 

Fertiliser applications account for almost 20% of the CO₂ emissions associated with UK dairy farming. Switching from conventional chemical fertilisers to TwinN or Organic-N enables UK farmers to do their bit to reduce greenhouse gas emissions, dramatically cut Nitrogen inputs, reduce diffuse Nitrogen pollution and Nitrogen run-off, whilst significantly reducing input costs. This is obviously a very attractive option for both dairy and livestock farmers as well as for arable farmers. 

Use of Bio-Fertiliser allows reduced Nitrogen inputs in NVZ's (Nitrogen Vulnerable Zones) where maximum levels of Nitrogen are now tightly controlled. Reduced Nitrogen inputs gain more points under the Entry Level Stewardship Scheme. Bio-Fertilisers also have the advantage that they can be used safely in organic farming systems and can go a long way towards lifting organic crop yields much closer to yields obtained under conventional non-organic cropping.

- Cut Your Fertiliser Bill by Thousands of Pounds -

Using Bio-Fertilisers - Soil Management   

The move to using Bio-Fertilisers should be seen as a complete system of soil management, not just a means of reducing Nitrogen inputs. There are huge benefits to using this new technology including increased earthworm populations, higher levels of soil organic matter, healthier soils, stronger plants, healthier crops, improved availability of a wide range of plant nutrients including P and K (Phosphorous and Potassium), lower input costs, reduced environmental pollution and in many cases increased crop yields. 

Bio-Fertilisers are normally applied after T-Sum 200 is reached usually in late February, March or early April. It takes several weeks for the inoculated microbial population to establish and to reach optimum numbers.  A reduced initial application of conventional Nitrogen fertiliser or slurry in early spring will provide Nitrogen until the Bio-Fertiliser bacteria inoculant kicks in. 

Benefits to Farmers 

These new Bio-Fertilisers have great potential for anyone growing grass, clover, maize, cereals or virtually any other crop. The cost of applying Organic-N or TwinN is less than the cost of only 2 bags of conventional chemical fertiliser, resulting in major saving in overall fertiliser costs at the same time as bringing all the other benefits of this new technology.

Contact RWN for further information on how Bio-Fertilisers can work for you

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