Crop | Years Grown |
---|---|
Grass |
Factors are the interventions or treatments which vary across the experiment.
Application: Whole Plot
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
N1 | 52 kgN/ha | - | ammonium sulfate | ||||
N2 | 104 kgN/ha | - | ammonium sulfate | ||||
N3 | 156 kgN/ha | - | ammonium sulfate | ||||
N1* | 52 kgN/ha | - | ammonium nitrate | ||||
N2* | 104 kgN/ha | - | ammonium nitrate |
Application: Whole Plot
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Farmyard Manure | - | once every 4 years | |||||
Fish Meal | - | once every 4 years | To supply 68 kgN/ha. |
Application: Whole Plot
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
P | 36 kgP/ha | - |
Application: Whole Plot
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
K | 242 kgK/ha | - | potassium sulphate |
Application: Whole Plot
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Na | 17 kgNa/ha | - | sodium sulphate |
Application: Whole Plot
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Mg | 12 kgMg/ha | - | magnesium sulfate |
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Si | 28 | - | silicate of soda |
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|
Variable | Unit | Collection Frequency |
Material | Description | Crop |
---|---|---|---|---|---|
Yield Components | t/ha | Biannual | SpecifiedCrop | 1st and 2nd cuts, available from 1856-present. | grass |
Partial Botanical Separation Data | Selected years. Biannual. | Percentage composition of gramineae, leguminosae and other orders. Complete Botanical Separation Data. Selected years 1862-1976. | |||
Complete Botanical Separation Data | Selected years. Biannual. | Percentage composition of species on plot. Selected years 1862-1976. | |||
Soil Total Carbon | variable | data available for 1876, 1886, (1932, 1959, 1966, 1985, 1991) | |||
Total Soil Nitrogen | variable | data available for 1876, 1886, (1913, 1932, 1959, 1966, 1985, 1991) | |||
Soil pH | variable | data available for 1876, (1923, 1959, 1967, 1970, 1971, 1974, 1975, 1977, 1979, 1984, 1991, 1995, 1998, 2002, 2005, 2008, 2011, 2014) | |||
Olsen P | mg/kg | variable | From 1876 - | ||
Total P | mg/kg | variable | |||
Soil Weight | t/ha | variable | From 1870 - | ||
Root Mass | t/ha | variable | From 1870 - |
Crop | Years Grown |
---|---|
Grass |
Variable | Unit | Collection Frequency |
Material | Description | Crop |
---|---|---|---|---|---|
Yield Components | t/ha | Biannual. | 1st and 2nd cuts, available from 1856-present. | ||
Partial Botanical Separation Data | Selected years. Biannual. | Percentage composition of gramineae, leguminosae and other orders. Complete Botanical Separation Data. Selected years 1862-1976. | |||
Complete Botanical Separation Data | Selected years. Biannual. | Percentage composition of species on plot. Selected years 1862-1976. | |||
Soil Total Carbon | variable | data available for 1876, 1886, 1932, 1959, 1966, 1985, 1991 | |||
Total Soil Nitrogen | variable | data available for (1876, 1886), 1913, 1932, 1959, (1966, 1985, 1991) | |||
Soil pH | variable | data available for (1876), 1923, 1959, (1967, 1970, 1971, 1974, 1975, 1977, 1979, 1984, 1991, 1995, 1998, 2002, 2005, 2008, 2011, 2014) | |||
Olsen P | mg/kg | variable | From 1876 - | ||
Total P | mg/kg | variable | From 1876 - | ||
Soil Weight | t/ha | variable | From 1870 - | ||
Root Mass | t/ha | variable | From 1870 - |
Crop | Years Grown |
---|---|
Grass |
Factors are the interventions or treatments which vary across the experiment.
Description: applied in spring
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
N1 | 48 kgN/ha | - | ammonium sulfate | ||||
N2 | 96 kgN/ha | - | ammonium sulfate | ||||
N3 | 144 kgN/ha | - | ammonium sulfate | ||||
N*1 | 48 kgN/ha | - | ammonium nitrate | ||||
N*2 | 96 kgN/ha | - | ammonium nitrate | ||||
N*3 | 144 kgN/ha | - | ammonium nitrate | ||||
(n2) | 96 kgN/ha | - 1989 | ammonium sulfate | ||||
(n*2) | 96 kgN/ha | - 1989 | ammonium nitrate |
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Farmyard Manure | 35 t/ha | - | applied every fourth year | supplies c.240 kg N | |||
Pelleted Poultry Manure | - | replaced fish meal in 2003; supplies c.65 kg N |
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
P | 17 kgP/ha | - | applied in winter | triple superphosphate |
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
K | 17 kgK/ha | - | applied in winter | potassium sulphate |
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Na | 15 kgNa/ha | - | applied in winter | sodium sulphate |
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Mg | 10 kgMg/ha | - | applied in winter | magnesium sulfate |
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Si | 450 | - | applied in winter | sodium silicate |
Description: ground chalk applied as necessary to maintain soil at pH 7,6 and 5 on sub plots a, b and c
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|---|---|---|---|---|---|---|
Lime | - | applied every third year since 1995, every 4 years before then | calcium carbonate | sub-plot d does not receive any chalk |
Variable | Unit | Collection Frequency |
Material | Description | Crop |
---|---|---|---|---|---|
Yield Components | two cuts per year | SpecifiedCrop | every year from 1856 - present | grass | |
Botanical Composition | variable | complete separations of hay selected years 1862-1976; partial separations of hay 1862-1976; complete species botanical surveys 1991-2000*below | |||
Soil Total Carbon | variable | data available for 1876, 1886, 1932, 1959, 1966, 1985, 1991 | |||
Total Soil Nitrogen | variable | data available for (1876, 1886, 1913, 1932, 1959) 1966, 1985, 1991 | |||
Soil pH | variable | data available for (1876, 1923, 1959) 1967, 1970, 1971, 1974, 1975, 1977, 1979, 1984, 1991, 1995, 1998, 2002, 2005, 2008, 2011, 2014 | |||
Olsen P | mg/kg | variable | |||
Total P | variable | From 1876 | |||
Soil Weight | t/ha | variable | From 1870 | ||
Root Mass | t/ha | variable | From 1870 | ||
Exchangeable Cations | mg/kg | variable | K, Mg, Ca, Na in air-dried soil. From 1991-2011. | ||
*botanical Survey Data | Annual | 1991-2000 by Imperial College. Weight of species in replicates > % compostition | |||
Botanical Survey Data | 2 years | 1993-1994. Mass effects study by Imperial college, as described by Kunin, 1998 | |||
Leafhoppers | 2 years | Leafhoppers (Auchenorhyncha) on 13 plots sampled five time in the summers of 1977 and 1978, as described by Morris, 1992 | |||
Soil Moisture | Since January 2020 | ||||
Atmospheric Chemistry | Dry deposition of NO2 (Atmospheric Chemistry, AN) measured on Park Grass by, and available through, the Environmental Change Network (ECN) | ||||
Precipitation Chemistry | Wet deposition (precipitation chemistry, PC) measured on Park Grass by, and available through, the Environmental Change Network (ECN) |
Variable | Value | Reference Year | Is Estimated | Is Baseline |
---|---|---|---|---|
Sand content | 11.6% (Percent) | NO | NO | |
Silt content | 66.3% (Percent) | NO | NO | |
Clay content | 22.1% (Percent) | NO | NO | |
Soil density | 1.1g/cm3 (gram per cubic centimetre) | 2011 | NO | NO |
Title (hover for a longer description) | Year of Publication | Identifier | Version |
---|---|---|---|
Crop yield data - Annual | |||
Dataset: Park Grass Hay Yields, Fertilizer and Lime Treatments 1903-1964 | 2022 | 10.23637/rpg5-yields1903-1964-01 |
01 |
Dataset: Park Grass Hay Yields, Fertilizer and Lime Treatments 1965-2018 | 2021 | 10.23637/rpg5-yields1965-2018-01 |
01 |
Soil data | |||
Park Grass Soil pH 1856-2011 | 2016 | 10.23637/KeyRefOAPGsoilpH |
01 |
Park Grass Metaproteome | 2022 | 10.6019/PXD017392 |
01 |
Species observation data | |||
Park Grass Changes in Mean Species Numbers 1864-2011 | 2016 | 10.23637/KeyRefOAPGspecies |
01 |
Dataset: Park Grass Species, Fertilizer and Lime Treatments 2010-2012 | 2022 | 10.23637/rpg5-species_2010-2012-01 |
01 |
Dataset: Park Grass Species, Fertilizer and Lime Treatments 1991-2000 | 2021 | 10.23637/rpg5-species_1991-2000-01 |
01 |
Park Grass Plot Photos | 2022 | 10.23637/rpg5-plotphotos-01 |
01 |
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