Table of Contents
Dataset Papers in Science
Volume 2015 (2015), Article ID 625846, 7 pages
Dataset Paper

An Observatory Plot System for Grain Production in the Neotropical Savannas

1Centro Internacional de Agricultura Tropical (CIAT), Apartado Aéreo 6713, Cali, Colombia
2Corporación Colombiana de Investigación Agropecuaria, Centro de La Libertad, Villavicencio, Meta, Colombia

Received 23 September 2014; Revised 2 February 2015; Accepted 3 February 2015

Academic Editor: Hongjie Xie

This dataset has been dedicated to the public domain using the CC0 waiver.



Dataset Item 1 (Table). Data of the 336 observatory plots (EGM) within farmer’s maize, rice, and soybean fields with 184 descriptors or variables capturing their location, rotation history, management, and environment at Colombian savannas (Llanos Orientales). Each row corresponds to an EGM, and each column corresponds to a descriptor or variable. Broadly, there are five categorical descriptors for location at different scales (storage type: character) and two variables for geographic coordinates (storage type: float), one for plot area (storage type: float), four for rotation history (storage type: character), two for the crop and cultivar sown (storage type: character), five capturing the temporal dimension of the production event (storage types: integer, character, and date), three capturing plant density (storage types: float and integer), one for grain moisture (storage type: float), two for yield (storage type: float), 63 for soil physical and chemical properties at two soil depth profiles (storage type: float), 29 for precipitation data retrieved from TRMM (storage type: float), and 67 for temperature data retrieved from WorldClim (storage type: float). The missing values are represented by blank cells. In the table, the column Grain Yield Standardized presents the grain yield standardized percentage of moisture content desired for storage. Also the column Mean Diurnal Range was calculated as (mean of monthly (max temp − min temp)), the column Isothermality as (BIO2/BIO7) (100), the column Temperature Seasonality as (standard deviation 100), and the column Temperature Annual Range as (BIO5 − BIO6). The column Rainfall Seasonality was measured by coefficient of variation. For more details, see Table 1.

  • Column 1: Plot Identifier
  • Column 2: Field Identifier
  • Column 3: Farm Identifier
  •     ⋮
  • Column 182: Rainfall of Driest Quarter (mm)
  • Column 183: Rainfall of Warmest Quarter (mm)
  • Column 184: Rainfall of Coldest Quarter (mm)

Dataset Item 2 (Table). It consists of time series NDVI data of 202 EGMs (i.e., Plot ID L1) for which this reading could be retrieved.

  • Column 1: Plot ID L1
  • Column 2: NDVI Date
  • Column 3: NDVI