LBA-ECO ND-07 NITRIC OXIDE FLUX FROM CERRADO SOILS, BRASILIA, BRAZIL: 2004

This data set reports the results of soil nitric oxide (NO) flux, soil moisture, and soil nitrate (NO3) and ammonium (NH4) concentration measurements on Cerrado soils receiving nitrogen fertilization. Measurements and samples were collected from control and fertillized experimental plots on Cerrado soils within the Ecological Reserve of the Brazilian Institute of Geography and Statistic (IBGE), Brasilia, Brazil. Sampling dates were from March 26, 2004 to November 25, 2004. The soils had received nitrogen and phosphorus fertilization treatments which began in 1998. The objective of this project was to determine the long-term effects of nutrient addition (N and N+P) in native Cerrado area on N oxide fluxes from soil to the atmosphere. There is one comma delimited (.csv) ASCII file with this data set.本数据集记录了塞拉多（Cerrado）土壤在施加氮肥条件下的一氧化氮（NO）通量、土壤含水率，以及土壤硝酸盐（NO3）与铵盐（NH4）浓度的实测结果。实测样本与数据采集自位于巴西巴西利亚的巴西地理与统计研究所(IBGE)生态保护区内的塞拉多土壤对照样地与施肥实验样地，采样时段为2004年3月26日至2004年11月25日。 该实验样地的土壤自1998年起便接受氮、磷施肥处理。本项目旨在探明长期养分添加（单施氮肥及氮磷配施）对原生塞拉多区域土壤向大气排放氮氧化物通量的影响。本数据集附带1份逗号分隔格式（.csv）的ASCII文本文件。