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Festival of Ideas - 23-24 June 2018
Rothamsted

Woburn Experimental Farm

Woburn Farm Map

In addition to the farm at Rothamsted, there is a further contrasting site at Woburn, Bedfordshire, 40 km North of Rothamsted. Experiments at Woburn began in 1876 under the auspices of the Royal Agricultural Society of England. The principal aim was to test the residual manurial value to crops of two contrasted feedstuffs fed to animals in covered yards or on the land. Rothamsted took over the management of the farm in the 1920s. In contrast to the silty clay loam at Rothamsted, which typically contains 20-40% clay, the soil at Woburn is principally a sandy loam containing about 8-14% clay. It is much more difficult to maintain or increase Soil Organic Matter (SOM) in this soil, and several long-term experiments at Woburn were established to study the effects of management on SOM and yield.

Site details

Location:

Site Location Latitude Longitude Altitude (m asl)
Woburn Farm Husband Crawley, Woburn, Bedfordshire 52.02 N 0.62 W 79-110m

Soil details:

For detailed information about the soil types at Woburn Farm, see Catt et al (1975, 1977 and 1980) in Key References, below.

Maps, revised legend and images provided by Dr Chris Watts, 2017.

Farm plans

Long-term experiments

The long-term term experiments at Woburn include:

Experiment Code Experimental Objectives Year started
Woburn Ley-Arable W/RN/3 Effects of continuous arable and ley-arable cropping on crop production, soil organic matter dynamics and fertility in a sandy loam 1938
Woburn Market Garden W/RN/4 Originally, effects of organic inputs (FYM, compost and sewage sludge) on soil and crop yield. Later the effects of heavy metals, added in the sewage sludge, were investigated. Part of the experiment was moved in 2005. The experiment was put under grass in 2006. 1942
Woburn Long-term sludge W/CS/427, 428 & 439 Effects of heavy metals contained in sewage sludge on soil fertility, crop quality and microbial activity. 1994
Woburn Organic Manuring W/RN/12 Effects of organic manures and grass leys on soil fertility, organic matter and crop production 1964
Amounts of straw R/CS/326 & W/CS/326 Effects of straw incorporation on soil organic matter dynamics, soil structure and fertility in a silty clay loam (Rothamsted) and sandy loam soil (Woburn). The experiments finished in 2017. 1987-2017
Continuous maize R/CS/477 & W/CS/478 Effects of different organic matter inputs (maize tops vs cereal stubble) on soil organic matter dynamics and fertility in a silty clay loam (Rothamsted) and a sandy loam (Woburn). The experiments finished in 2015 1997-2015
Long-term Liming R/CS/10 & W/CS/10 Effects of liming on crop yields in heavy soil (Rothamsted) and light sandy soil (Woburn). Since 1997 the Rothamsted plots have been in grass; the Woburn experiment is discontinued. 1962-1997
Intensive cereals W/RN/13 One of the first experiments to demonstrate the problem associated with soil acidification on cereal production following long-term use of ammonium fertilisers. Winter wheat and spring barley, Stackyard. Also known as the Woburn Continuous Wheat and Barley experiments. 1876-1990

For more details, refer to the Key References listed at the end of the brief description of each experiment. Data from these experiments is not currently available from e-RA. For more details of what data is available and how to access it, please contact the e-RA Curators.

With thanks to Andy Macdonald, Paul Poulton and Steve McGrath.

History

History: Woburn Experimental Farm, despite the name, lies in the parish of Husborne Crawley and was previously known as Mill Farm due to its proximity to a watermill. Mill Farm was owned by the Duke of Bedford, who remains owner of the Experimental Farm.

The last reference to a mill in Husborne Crawley in any directory for Bedfordshire is in 1869 and on the 1st edition Ordnance Survey map of 1883 Mill Farm is shown but not the mill, suggesting that it was pulled down some time between these two dates, which was probably when today's Mill Farm house (a mid 19th century Bedford Estate structure) was built. Bedfordshire and Luton Archives and Records Service has a booklet on the history of the experimental farm written for its centenary in 1977 by A. E. Johnston. John Bennet Lawes (1814-1900) set up the Rothamsted Experimental Station at Harpenden [Hertfordshire] in 1843. Hastings, 9th Duke of Bedford was vice-president of the Royal Agricultural Society of England. He was interested in agricultural experimentation and offered a farm on the Woburn Estate on which to conduct experiments on the value of different types of animal manure on different types of soil. The Chemical Committee of the Royal Agricultural Society accepted and asked Lawes and his co-worker John Christopher Augustus Voelcker (1822-1884) to set up suitable experiments.

Mill Farm was selected as the place to carry out the trials but no single field was big enough and so the Duke also leased Stackyard Field from his tenant at Birchmore Farm, a mile away and on the west side of the road from Husborne Crawley to Woburn. When the tenant died Stackyard Field was added to Mill Farm and it remains part of the Experimental Farm to the present day [2012].

The Royal Agricultural Society became tenants of Stackyard Field and Mill Farm at Michaelmas 1876. The farm then comprised 67 acres of arable and 23 acres of grass; Stackyard Field was 26 acres. In Michaelmas 1879 Warren Field of 14 acres was added to Mill Farm. New feeding boxes for cattle were built at the farm at the Duke's expense in 1876 or 1877 and demolished in the early 1970s to make way for a potato store. The Duke of Bedford supported the Experimental Farm with money whenever it was needed and his successors George, the 10th Duke and Herbrand, the 11th Duke – the farm cost the successive dukes about £600 between 1876 and 1912, not an inconsiderable sum in those days. Lawes and Voelcker decided to take advantage of the light, sandy soils at Husborne Crawley in order to carry out experiments on the continuous growing of winter wheat and spring barley crops as well as their experiments with manure. They had already achieved the feat of continuous growing of crops on the heavy clay soil at Rothamsted. The first crops were harvested in 1877, the same year in which the manure experiments began. Lawes quickly became disenchanted with Husborne Crawley due to interference by the Royal Agricultural Society's Chemical Committee, now renamed the Woburn Committee and Voelcker carried on the work until his death in 1884 when he was succeeded by his son J. Augustus Voelcker (1854-1937).

In 1897 a laboratory was built at Husborne Crawley in which to test samples. This was made possible by a bequest of £10,000 by E. H. Hills, a member of a firm of chemical manufacturers which made artificial manure. This interesting building remains though it is now disused. The Development Act 1909 established a permanent Development Commission. One of its tasks was to increase productivity of land and one of its commissioners was the Director of Rothamsted. The Royal Agricultural Society thus received £2,900,000 per annum until 1915 and as a result the 11th Duke decided that he could withdraw his financial support from the Experimental Farm and a grant of £500 per annum was secured from 1912 onwards. In 1915 there was a long debate about whether to terminate the experiments but the idea was rejected.

By 1917 German U-boats were sinking alarming quantities of allied shipping, so much so that it was feared that Britain would be starved into submission. As a panic measure War Agricultural Executive Committees in each county were told to order quantities of ancient pasture to be ploughed up and used for arable crops. This alienated local farmers who feared that they would make a loss because the crops grown would be likely to be less than on proper arable land and, meanwhile, they would loose valuable grazing for their cattle or sheep. The Royal Agricultural Society was ordered to plough up 14.5 acres at Husborne Crawley including Great Hill Bottom [WW1/AC/OP2/111]. After cropping the society put in a claim for loss but this was unsuccessful as the profit made on one field was greater than the loss made on the other. In the end the introduction of the convoy system greatly decreased the effectiveness of the German submarines and the emergency measures were discontinued.

At Michaelmas 1921 the Royal Agricultural Society terminated its tenancy of Mill Farm in order to save money. Voelcker, however, wished to continue his work at Husborne Crawley and arranged to become the tenant in October 1921. Live and dead stock at the farm were sold and realised £635 [SF75/25]. The £500 grant to the Experimental Farm from government continued provided that some body succeeded the Royal Agricultural Society in a supervisory role. The obvious choice was the new governing body for Rothamsted, the Lawes Agricultural Trust. Voelcker gave up the tenancy of the farm in October 1926, he had spent around £2,000 in maintaining his work; the Trust became the new tenants. Voelcker continued to be Honorary Local Director until 1936.

The Rating and Valuation Act 1925 specified that every building and piece of land in the country was to be assessed to determine its rateable value. The valuer visited the Experimental Farm [DV1/H5/12] on 12th November 1926, just after the Lawes Agricultural Trust had taken over the tenancy. It paid rent of £160/10/- to the Duke of Bedford, set in 1921, the pre-war rent having been £120. The valuer calculated the area of the farm as 131 acres.  Water was laid on but there was no electricity, lighting being by lamps. Sanitation was to a cesspool. The valuer noted: "Saw Mr. A. W. Greenhill of Lawes Agricultural Trust. Tenant's manager is Atkinson of Heather Lea, Woburn Sands This farm is an experimental test farm probably run at considerable loss". The farmhouse comprised two living rooms, a kitchen, an office, a pantry and two cellars under the ground floor. Four bedrooms stood on the first floor, along with a boxroom, a bathroom, a W. C., a coal shed and a wood barn.

The Farm buildings comprised:

South Block A: a large store room; an experimental drying room; a specimen room; a brick, wood and slate garage and a granary with a loft over;

Separate Block B: a laboratory, an office and storeroom; a pot culture station; a glasshouse and a cage. Water was laid on;

West Block C: a wood and corrugated iron cattle weighing bridge; a brick and slate mixing house; a pig house with three fattening pens and a two bay open cowshed;

North Block D: a carthorse stable for six; a chaff house; a wood and corrugated iron three bay open implement shed; a lean-to brick and corrugated iron engine shed containing an eight horsepower oil engine driving the chaff cutter etc.; a brick and slate barn with loft over and another chaffhouse;

East Block E: a brick and slate cowhouse for six cows used as a piggery; two loose boxes and  two semi-covered corrugated iron yards;

Separate North Block F: a wood and tiled four bay open cart shed; a brick and slate mixing house and an experimental cattle feeding house containing eight loose boxes with central feeding passage.

The valuer commented: "Buildings in good order. Farm runs as Experimental Station probably at considerable loss: is rather a show place and calls itself "The Woburn Agricultural Test Farm".

On J. Augustus Voelcker's retirement as Honorary Local Director in 1936 Harold Hart Mann (1872-1961) took over supervision of the field experiments and laboratory work and Tom W. Barnes (1901-1974) was appointed as chemist in 1928. Mann took sole charge of the farm in 1936. He retired in 1956 and was replaced by C. A. Thorold until 1968 when he retired. The Dairy Farm of 17.5 hectares was transferred to the Experimental farm by the Bedford Estate in 1962 as, were two more fields: Horsepool Lane Close of just over eight acres in 1971 and Far Field of about nine acres in 1972.

Past Managers and Directors: Directories for Bedfordshire, which were not published annually but every few years, give the names of the occupiers of the various officers responsible for the Experimental Farmfrom 1885 to 1940 and the following names are taken from these directories. The dates are those of the first and last appearance of a name, not the full span of dates of employment:

Background, maps, keys and images provided by Dr Chris Watts, 2017.

Key References:

1980

1977

1975

1970

1966

1936

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