10.4231/4Q9T-FT90
Darrell Schulze
,
Joshua Minai
11/18/2019
Map that mimics the geometry of 'fully developed slopes'.
Agronomy Geographic Information Systems (GIS) K-Means Clustering Multiresolution Ridgetop Flatness Multiresolution Valley Bottom Flatness Planform Curvature Profile Curvature Slope Position Terrain Attributes Topographic Position Index
10.4231/KYJ5-S732
Darrell Schulze
,
Joshua Minai
11/18/2019
Independent diagnostic criteria reflecting limitations for land use.
Agronomy Busia Area Decision Matrix Kenya Land Evaluation Key Map Unit
10.4231/0FGR-Z715
Darrell Schulze
,
Joshua Minai
11/18/2019
Independent predictor variables for stepwise multiple linear regression.
Agronomy Environmental Covariates PCA Raster Stack RStoolbox Package RStudio Soil-Landscape Modelling Stepwise Multiple linear Regression
10.4231/00R1-HM25
Darrell Schulze
,
Joshua Minai
11/18/2019
Soil property data mined from the Reconnaissance Soil Survey of the Busia Area (quarter degree sheet No. 101) for digital soil mapping.
Agronomy Busia Area Digital Soil Mapping Equal Area Quadratic Smoothing Spline Function Kenya R ithir Package RStudio
10.4231/E81F-NX21
Darrell G Schulze
,
Joshua O Minai
12/04/2019
This study is to bring legacy soil data from the Busia area of Kenya ‘back to life’ using digital soil mapping techniques.
Agronomy Busia Area Digital Soil Mapping Disaggregation Kenya Legacy Soil Data
10.4231/C1W0-8F75
Jeffrey J. Volenec
,
Sylvie M. Brouder
12/18/2019
Grain and stover yield and composition were determined for maize grown in soil previously fertilized annually for 8 years with potassium (K, 0 to 400 kg K/ha) and phosphorus (P, 0 to 75 kg P/ha) resulting in large differences in soil test P and K.
Agronomy Biomass Corn Grain Yield Indiana Maize Phosphorus Fertilizer Plant Nutrition Potassium Fertilizer Seed Composition Soil Fertility Stover Composition
10.4231/WWSK-RA65
Jeffrey J. Volenec
,
Sylvie M. Brouder
12/18/2019
Maize was grown in 2006 in plots differing in soil test P and K. Yield and plant composition were determined.
Agronomy Corn Grain Yield Indiana Maize Phosphorus Fertilizer Plant Nutrition Potassium Fertilizer Soil Fertility Stover Composition
10.4231/CTM1-0Y45
Eileen J Kladivko
,
Giorgi Chighladze
,
Laura C Bowling
,
Lori Abendroth
12/16/2022
This dataset contains research data obtained during a long-term subsurface drainage research project conducted at the Southeast Purdue Agricultural Center in Jennings County, Indiana, from 1984 to 2020.
10.4231/BJHE-3239
Jeffrey J. Volenec
,
Margaret Gitau
,
Nicole S. De Armond
,
Pauline Welikhe
,
Ronald F. Turco
,
Sylvie M. Brouder
11/24/2020
The data included here are for the WQFS tile discharge, DRP concentrations and loads for the Miscanthus x giganteus, continuous maize with residue removal, and switchgrass variety Shawnee treatments only.
Agronomy Dissolved reactive phosphorus P sink soils P source soils Phosphorus loss Tile discharge Water Quality water quality data Water Quality Field Station
10.4231/69H7-CV75
Kai-Wei Yang
,
Mitchell Tuinstra
,
Scott Chapman
12/15/2020
A pipeline to generate the XML parameter file for APSIM was developed in R. The files and R codes are reported in "R Pipeline for Calculation of APSIM Parameters and Generating the XML File".
Agronomy APSIM Crop Growth Models APSIM Pipeline Remote Sensing
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