Broadbalk: winter wheat since autumn 1843; wheat in rotation with other crops since 1968
|
Wheat yields (grain & straw) |
1844-present |
>15,500 grain yields |
Field bean yields (grain & straw) |
1968-1978 |
209 grain yields |
Potato yields (tubers) |
1968-1996 |
551 tuber yields |
Oat yields (grain & straw) |
1996-present |
342 grain yields |
Maize yields (forage) |
1997-2017 |
323 forage yields |
Weed surveys: |
|
|
Whole experiment |
1933-1979 |
>5,500 plots |
Section 8 (no herbicides) |
1991-2014 |
360 plots |
Wheat root and stem diseases(take-all, brown foot rot, eyespot & sharp eyespot) |
1968-2009 |
>900 plots |
Crop nutrient content (% N, P, K, Ca, Mg, Na, S): |
|
|
Wheat grain & straw |
1968-2013 |
>2,500 plots |
Bean, potato, oat & maize |
1968-2013 |
>1,200 plots |
Grain quality (TGW, hectolitre weight, Hagberg falling number, grain size classes): |
|
|
Beans |
1974-1978; |
95 values |
Oats |
1996-present |
>300 values |
Wheat |
1974-present |
>8,000 values |
Soil properties (%N, %SOC, pH, Olsen P, exchangeable cations, soil weight, CaCO3) |
1865-2012 (13 sample years; not from all plots every year) |
|
Hoosfield: spring barley since 1852
|
Barley yields (grain and straw) |
1852-present |
>10,000 grain yields |
Grain quality: |
|
|
TGW and hectolitre weight |
1974-present |
>3500 values |
Crop nutrient content (% N, P, K, Ca, Mg, Na): |
|
|
Barley grain and straw |
1964-2010 |
>16,000 values |
Park Grass: continuous grassland since 1856, usually cut twice a year
|
Herbage yields (2 cuts) |
1856-present |
>16,000 yields |
Botanical composition surveys (visual surveys & by weight) |
1862-19761991-2000 |
>1,000 plots>1,100 plots |
Insect surveys (Leafhoppers) |
1977-1978(5 samples per year) |
52 plots |
Alternate Wheat and Fallow: 1856-2015
|
Wheat yields (grain & straw) |
1856-2015 |
311 grain yields |
Woburn Ley-arable experiment: Arable rotations with and without leys since 1938
|
Crop yield |
1938-2007 |
280 values (Block III only) |
Soil % organic Carbon and Nitrogen |
1938-2009 |
192 values(Blocks I – V) |