The Water Quality Field Station (WQFS), a Purdue University Core Facility, is an in-field laboratory dedicated to the study of productivity and environmental impacts of rainfed, maize-based production systems, system variants and emerging alternatives. The...
Alison J. Eagle, Cameron M. Pittelkow, Claudia Wagner-Riddle, Craig F. Drury, David E. Pelster, Douglas R. Smith, G. Philip Robertson, Gustavo Cambareri, Martin H. Chantigny, Rex A. Omonode, Rodney T. Venterea, Sylvie M. Brouder Timothy B. Parkin, Tony J. Vyn
This is a compilation of field research data measuring nitrous oxide emissions from 55 different field crop experiments reported in 66 different publications. The data are mostly maize in the Corn Belt, but also include other crops and regions around the g...
Phosphorus and K impact alfalfa (Medicago sativa L.) performance, but how these nutrients alter taproot physiology during fall acclimation and subsequent growth in spring is unclear. Our objectives were to: 1) determine seasonal patterns for taproot P and...
These data may be used to evaluate the relationship between soil test P and K concentrations and maize yield and yield components. Similarly, tissue P and K concentrations differ markedly among fertility treatments and those data may be useful in evaluatin...
These data may be used to evaluate relationships among soil and tissue P and K concentrations and agronomic performance and composition of maize.
This is a master file of merged excel files with 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. C...
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The Water Quality Field Station (WQFS), Purdue University, features 48 plots (10.8 m wide × 48 m long) organized in a randomized complete-block design with 12 treatments and 4 replicates. The treatments consist of one native prairie mixture and eleven trea...
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