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51. Carbon and nitrogen fixation rates from microbial mat populations in moraine ponds on the McMurdo Ice Shelf [K081_2004_2005_NZ_4]
Carbon and nitrogen fixation experiments were conducted on mats collected from 10 of the ponds on the McMurdo Ice Shelf near Bratina Island. Nitrogen fixation was determined via reduction of acetylene ...


52. Chesapeake Bay Program Nutrient Point Source Database [CBP_PSDB]
The Chesapeake Bay Program Nutrient Point Source Database contains data from about 600 nutrient dischargers in the Bay watershed. This database provides facility information, average flow data, average ...


53. Combination Trial F1-70, Soil Organic Matter in Cropland Experiment, Germany. [MLU.F1-70]
This experiment was initiated in 1967. The crops grown are potatoes, winter wheat,winter barley,sugar beet,spring barley. The treatments are: Stable manure at 4 rates on potatoes & sugar beet; mineral ...


54. Crop Residue Decomposition as Affected by Soil Erosion and Tillage, USDA-ARS [USDA.ARS.CPCRC.ResidueDecomp]
This data set is a result of a study to determine the rates of different crop residue decomposition (clover and wheat), under two different cropping regimes (grain sorghum plots with: no till and ...


55. Crop Rotation/Fertilization Trial F1-07, Germany [MLU.Seehausen]
This experiment began in 1958. The experimental site is in the Eastern German continental climate in the Leipzig Basin. The average climatic conditions at the experimental site are: Minimum ...


56. Crop Yield to Crop and Soil Nutrient Element Status [USDA0405]
The purpose of the "Crop Yield to Crop and Soil Nutrient Element Status" study is to establish fertilizer requirements for major crops; evaluate soil and plant analysis procedures; correlate yield ...


57. Czarny Potok, Soil Organic Matter Experiment, Poland [ARK.Czarny]
This experiment began in 1968 on a natural grassland area of Poland. The site was arable crops to 1945 and later returned to grassland. The land use of this area is permanent meadow now. Treatments ...


58. Deherain Plots, Long Term Cropping/Soil Experiment, France [INRA.Deherain]
The Deherain long-term field experiment was started in 1875 to study the impact of fertilization on crop yield. Before 1875, the soil was cultivated with alfalfa without fertilization. Between 1929 ...


59. Denitrifying Activity in Deep Soil Profiles [USDA0406]
The "Denitrifying Activity in Deep Soil Profiles" dataset contains data on what factors control denitrifying activity in deep soil profiles. Its purpose is to evaluate an N-based method for measuring ...


60. EM89 - Pinus radiata Plantation Organic Matter Experiment, Austrailia [CSIRO.TRC.EM89]
This experiment began in 1985. The site was previously a native eucalypt forest, but has been a Pinus radiata plantation for 47 years. There are four treatments as follows: 1) Slash and ...


61. Ecophysiology (CO2 / O2 exchange, nitrogen fixation rates and chlorophyll a levels) of endolithic algae from Marble Point, Antarctica [K024_1979_1980_NZ_2]
Rocks containing endolithic algae were collected from the Marble Point area. Infra-red gas analysis and Warburg Manometry studies were carried out to ascertain carbon dioxide and oxygen exchange. ...


62. Effects of CO2 and Nitrogen Fertilization on Growth and Nutrient Content of Juvenile Ponderosa Pine (ORNL/CDIAC-107, NDP-061A) [CDIAC_NDP061A]
This data set presents measured values of plant diameter and height, biomass of plant components, and nutrient (carbon, nitrogen, phosphorus, sulfur, potassium, calcium, magnesium, boron, copper, ...


63. Effects of Lime and Crop Residue on Soil Fertility and Crop Yield on Acidic soil under Rice-Rice-Soybean, Taiwan [KDAIS.TaiwanRice]
SITE HISTORY For more than 20 years before the experiment began in 1974, paddy rice was the crop grown on the experimental site. The experimental site is located in the Pintung Plain of Southern ...


64. Effects of Nitrogen and Phosphorus Fertilization on Alpine Plant Species Composition [brdlter0030]
Supplementary Information: The information for the abstract, investigator, Geographic Description: The study plots were located just south of the Niwot Ridge Saddle, in the City of Boulder Watershed. ...


65. Effects of Nitrogen and Phosphorus Fertilization on Alpine Plant Species Composition: Summary Data [lternwt0031]
Supplementary Information: The information for the abstract, investigator, Geographic Description: The study plots were located just south of the Niwot Ridge Saddle, in the City of Boulder Watershed.


66. Effects of Nutrient Transport in Cropping Systems in Environmental Quality and Fertilizer Efficiency [USDA0519]
The purpose of "Effects of Nutrient Transport in Cropping Systems in Environmental Quality and Fertilizer Efficiency" is to assess dynamic nitrogen (N) transport in high-residue conservation-tilled ...


67. Fluxes of Nitrogen Oxide and Methane from Nitrogen Amended Soils in the Colorado Alpine [lternwt0029]
In order to determine the effect of increased nitrogen availability on fluxes of N2O and CH4 from alpine soils, we measured fluxes of these gases from fertilized and unfertilized soils in two alpine ...


68. Glen Innes Rotation Experiment, Long Term Soil Organic Matter Study, Australia [WWAI.GlenInnes]
This study was initiated in 1921 in cool temperate region. the soil is described as Prairie - Australian Great Soil Group (ref Stace HCT, Hubble GD, Brewer R, Northcote KH, ...


69. Growth and Chemical Responses to CO2 Enrichment - Virginia Pine (Pinus Virginiana Mill.), CDIAC NDP-009 [CDIAC_NDP9]
Growth and chemical responses of Virginia pine grown in open-top growth chambers at elevated CO2 concentrations (+0, +75, +150, +300, +600 ppmv) were evaluated over a four-month period. The seedlings ...


70. Hoosfield Continuous Barley Long Term Trial, Rothamsted [IACR.Hoosfield]
This experiment began in 1852 at Rothamsted, England. The site was occupied (farmed?) since Roman times. Map of 1623 shows field in arable. Arable crops 1847-1851. Clay-with-flints overlying chalk; ...


71. Hungarian Long-term Fertilizer Experimental Network, Bicserd [PUAS.Bicserd]
This experiment began in 1966 on a site that was originally forested. Later, the crops at the site were maize,soya,pea,wheat,maize. Tha land uses in the experiment are: Rotation 1 - wheat,maize,maize,pea; ...


72. Hungarian Long-term Fertilizer Experimental Network, Hajduboszormeny [PUAS.Hajdub]
This experiment began in 1966 on a site that was originally steppe. Later, the crops at the site were maize,wheat,wheat (pea),maize. The land uses in this experiment are: Rotation 1 - wheat,maize,maize,pea; ...


73. Hungarian Long-term Fertilizer Experimental Network, Iregszemcse [PUAS.Iregs]
This experiment began in 1966 on a site that was originally forested. Later, the site had wheat,bean sunflower,maize,(wheat,pea) growing on it. Land use in this experiment consists of: Rotation 1 ...


74. Hungarian Long-term Fertilizer Experimental Network, Karcag [PUAS.Karcag]
This experiment began in 1966 on a site that was originallt steppe. Later, the crops at the site were wheat, sugar beet, lucerne, maize, and pea. The land uses in the experiment are: Rotation 1: ...


75. Hungarian Long-term Fertilizer Experimental Network, Keszthely [PUAS.Keszthely]
This experimnet was started in 1966 on a site that was originally forested. Later, the the crops at the site were wheat, barley, maize (sunflower), pea, (wheat). Tha land uses in the experiment ...


76. Hungarian Long-term Fertilizer Experimental Network, Kompolt [PUAS.Kompolt]
This experiment was started in 1966 in an area that was originally steppe-forest. Later, the crops were sainfoin,sainfoin,wheat,barley,pea (wheat). The land uses in the experiment are: Rotation ...


77. Hungarian Long-term Fertilizer Experimental Network, Mosomnagyarovar [PUAS.Mosomnag]
This experiment began in 1966 on a site that was originally forested. Later, the crops grown on the site were pea and wheat. The treatments and rotations in the experiment are: Rotation 1 - wheat,maize,maize,pea; ...


78. Hungarian Long-term Fertilizer Experimental Network, Nagyhor [PUAS.Nagyhor]
This experiment began in 1966 on a site that was originally a stppe-forest ecosystem. The crops at the site previous to the experiment were pea and wheat. The land uses in the experiment are: Rotation ...


79. Hungarian Long-term Fertilizer Experimental Network, Putnok [PUAS.Putnok]
this experiment began in 1966 on a site that was originally forested. The site then was used for potato,sunflower,wheat,pea,barley,lentil crops. The land uses in the experiment are: Rotation 1 - ...


80. IAI-Data-CRN_012-Chile: Comparison of principal ecosystem functions in forests of contrasting biodiversity in Chile and Argentina [IAIDIS752]   PARENT METADATA
The main objective of this work is to compare principal ecosystem functions in forests of contrasting biodiversity (low in Argentina, high in Chile) and primary productivity in southern temperate ...


81. IAI-Data-CRN_012_Austin_BIOD-NITR: Effects of autotrophic nitrification on C and N cycling in the Patagonian steppe [IAIDIS764]   PARENT METADATA
Human activities are altering biodiversity and the N cycle globally, affecting marine and terrestrial carbon cycling. Only a few specialized bacteria carry out nitrification in terrestrial ecosystems, ...


82. IAI-Data-CRN_012_Austin_GRASS-DEC: Relative importance of dominant grass species in a water-limited ecosystem in the Patagonian steppe [IAIDIS758]   PARENT METADATA
Changes in biodiversity due to human impact of domestic grazers are occurring in many parts of the world, and the net effect of this change could have detrimental effects on ecosystem functioning. ...


83. IAI-Data-CRN_012_Austin_POSIT-DEC: The importance of position of senescent material on decomposition and nutrient release [IAIDIS760]   PARENT METADATA
The importance of standing dead material, including coarse woody debris in forests, has been shown to be important in the regeneration of forests, and critical for maintaining a variety of ecosystem ...


84. IAI-Data-CRN_012_Sala_PozosN: Aboveground and belowground nitrogen cycle in the Patagonian steppe [IAIDIS740]   PARENT METADATA
The general objective of this experiment was to describe the aboveground and belowground nitrogen cycle in the Patagonian steppe. We used the Patagonian steppe as a model ecosystem because of the ...


85. IAI-Data-CRN_012_VIVANCO_TRIA: Effect of aboveground diversity on belowground processes in Patagonia [IAIDIS738]   PARENT METADATA
We examined the effect of aboveground diversity on belowground processes. Our hypothesis is that aboveground diversity produces long-term effects on soil biota and carbon and nitrogen pools that consequently ...


86. IAI-Data-CRN_012_Yahdjian_drought: Drought effects on ecosystem functioning in a semiarid grass-shrub steppe South of Argentina [IAIDIS744]   PARENT METADATA
We studied drought effects on ecosystem functioning in a semiarid grass-shrub steppe South of Argentina. We designed a 2-year rainfall manipulation experiment where we decreased water input with rainout ...


87. IAI-FinalReport_ISP1_003 Nitrogen Transport and Transformations: A Regional and Global Analysis [IAIDIS436]
This dataset refers to the Final Report of the ISP round I project number 003, which has the name "NITROGEN TRANSPORT AND TRANSFORMATIONS: A REGIONAL AND GLOBAL ...


88. IAI-Science-ISP-2-051-Global Change Effects on Biodiversity and Functioning: Manipulation of a Keystone [IAIDIS482]   PARENT METADATA
This dataset refers to Final Report of the ISP round 2 project number 051, which has the name "GLOBAL CHANGE EFFECTS ON BIODIVERSITY AND FUNCTIONING: MANIPULATION OF A KEYSTONE PROCESS". This project ...


89. Impact of Climate on Plant-soil Interactions and Carbon Budgets of Ponderosa Pine [USDA0592]
The purpose of the data in "Impact of Climate on Plant-soil Interactions and Carbon Budgets of Ponderosa Pine" is to determine if climate-driven shifts in biomass allocation enable ponderosa pine ...


90. Jabalpur Centre, Madhya Pradesh (All India Coordinated Research Project on Long-Term Fertilizer [India.Jabalpur]
This long term experiment began in 1972. The experimental site is a tropical area, with a minimum annual temperature of 5.9 deg C, maximum annual temperature of 42.8 deg C, and mean annual rainfall ...


91. LTER Georgia Coastal Ecosystems - Plant community response to fertilization at Sapelo Island, Georgia [newpag1_LTER_GCE_PLT_GCED_0409]   PARENT METADATA
Parallel fertilization experiments were performed in five different types of perennial plant mixtures found in the salt marsh habitat around Sapelo Island, Georgia, from May 1996 to September 1997. ...


92. Latitudinal Gradient Project - Australian contributions [LGP]
This record relates to the Australian component of the Latitudinal Gradient Project. The LGP is largely a New Zealand, US and Italian venture, but a small contribution has been made by Australian ...


93. Leaf, Carbon, Nitrogen, LMA, Barrow, Alaska, 2012-Present [Leaf_Carbon_Nitrogen_LMA_Barrow_Alaska_2012-Present]
Carbon, Nitrogen and Leaf Mass Area of leaves sampled from the Barrow Environmental Observatory, Barrow, Alaska. Species measured; Arctophila fulva, Arctagrostis latifolia, Carex aquatilis, Dupontia ...


94. Long Island Sound Interstate Sanitation Commission Data [ISC_ISCdata]
Monitor water quality on a monthly basis over the full annual cycle.


95. Long Term Experiment No. 2, Soil Organic Matter Network, England [IACR.No2]
This experiment was initiated in 1965 at a site that has been in arable use for a very long time. The land use in this experiment consists of a cropping sequence: Sugar beet, Spring oats, Winter wheat, ...


96. Long Term Slurry on Grassland Experiment, Soil Organic Matter Network, Northern Ireland - DANI.Slurry [DANI.Slurry]
This experiment was initiated in 1970 at a site that was originally temperate deciduous woodland. It then was an estate farm until the agricultural institute founded in 1926. The area ...


97. Long-Term Agricultural Field Experiment -- Data Compendium [USDA0243]
This data set contains information on climate (temperature, precipitation); soil (carbon, nitrogen, bulk density, texture); production (grain yield, straw/residue production); and migrant histories ...


98. Long-Term Ecological Research (LTER)/CDR007: Effects of NH4NO3 on Vegetation in Unfenced Microplots (UNFMC) at Cedar Creek [LTER_CDR007]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR007 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


99. Long-Term Ecological Research (LTER)/CDR010: Old Field Survey (OFIELD) at Cedar Creek Natural History Area [LTER_CDR010]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR010 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


100. Long-Term Ecological Research (LTER)/CDR012: Effects of NH4NO3 and pH on Microorganism Populations (SORG) at Cedar Creek Natural History Area [LTER_CDR012]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR012 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


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