subject: Agronomy type: dataset
10.4231/TDN8-PM14
Darrell Schulze , Joshua Minai
11/18/2019
Map based on the concept that soil classes can be spatially inferred from soil-related environmental conditions.
Agronomy Busia Area Digital Soil Mapping Fuzzy Membership Values Geographic Information Systems (GIS) Kenya SoLIM
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/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/PHKH-4334
Daniel Wiersma , Jeffrey Volenec , Stanislav Pejša , Sylvie Brouder , Wayne G. Hartman
07/08/2020
An archived copy of the Alfalfa Variety Performance Database originally compiled in 2000 by Daniel W. Wiersma and Wayne G. Hartman. It contains data on yield, quality, and plant stand for over 2900 varieties from 700+ experiments conducted from...
Agriculture Agronomy Alfalfa alfalfa_db Biotic stress Crop yield Forage quality Genotype x environment insect resistance Lucerne Medicago Pathogen resistance performance persistence Winter hardiness yield improvement
10.4231/D3251FJ7S
02/22/2012
Data from several studies on the influence of phosphorus and potassium nutrition on alfalfa. It includes numeric data such as yield, plant mass, plant counts, and tissue concentration of various nutrients
Agronomy Crop Science Forage legumes Nutritive value Soil Fertility Soil Science Winter hardiness Yield components
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.
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