Soil organic carbon: The value to soil properties

…, M Mamo, TM Shaver, RB Ferguson - Journal of Soil and …, 2013 - jswconline.org
Maintaining or improving soil properties is becoming increasingly important to sustain modern
agriculture under increasing demands to preserve biodiversity and environmental quality. …

Statistical and machine learning methods evaluated for incorporating soil and weather into corn nitrogen recommendations

…, JJ Camberato, PR Carter, RB Ferguson… - … and electronics in …, 2019 - Elsevier
Nitrogen (N) fertilizer recommendation tools could be improved for estimating corn (Zea
mays L.) N needs by incorporating site-specific soil and weather information. However, an …

Strengths and limitations of nitrogen rate recommendations for corn and opportunities for improvement

…, DB Beegle, JJ Camberato, RB Ferguson… - Agronomy …, 2018 - Wiley Online Library
… Spatial distribution of economically optimum nitrogen rate (EONR) determined by variable
response curve models for corn yield in (a) 1997 and (b) 1999 overlaid with the soil and …

Application of machine learning methodologies for predicting corn economic optimal nitrogen rate

…, JJ Camberato, PR Carter, RB Ferguson… - Agronomy …, 2018 - Wiley Online Library
Core Ideas A Machine Learning approach was innovatively used to predict corn EONR.
Two features were created to approximate hydrological conditions for modeling EONR. Soil …

Comparison of kriging and inverse‐distance methods for mapping soil parameters

CA Gotway, RB Ferguson, GW Hergert… - Soil Science Society …, 1996 - Wiley Online Library
Variable‐rate technology may provide a means of increasing fertilizer use efficiency by
matching applications to specific conditions at a given field location. Effective implementation of …

Corn nitrogen rate recommendation tools' performance across eight US midwest corn belt states

…, JJ Camberato, PR Carter, RB Ferguson… - Agronomy …, 2020 - Wiley Online Library
Determining which corn (Zea mays L.) N fertilizer rate recommendation tools best predict
crop N need would be valuable for maximizing profits and minimizing environmental …

An active sensor algorithm for corn nitrogen recommendations based on a chlorophyll meter algorithm

F Solari, JF Shanahan, RB Ferguson… - Agronomy …, 2010 - Wiley Online Library
In previous research we found active canopy sensor reflectance assessments of corn (Zea
mays L.) N status have potential for directing in‐season N applications, but emphasized an …

Electrical conductivity monitoring of soil condition and available N with animal manure and a cover crop

…, JW Doran, JA Nienaber, RB Ferguson… - Agriculture, ecosystems …, 2002 - Elsevier
Development of sustainable agricultural management systems will depend, in part, on the
ability to better use renewable resources, such as animal manure, and to synchronize the …

Dryland performance of sweet sorghum and grain crops for biofuel in Nebraska

CS Wortmann, AJ Liska, RB Ferguson… - Agronomy …, 2010 - Wiley Online Library
Sweet sorghum [SS; Sorghum bicolor (L.) Moench] is a potential biofuel crop for the Great
Plains. Sweet sorghum was compared with corn [Zea mays (L.)] and grain sorghum for …

[BOOK][B] Fertilizer suggestions for corn

CA Shapiro, RB Ferguson, GW Hergert, A Dobermann… - 2003 - agronomy.unl.edu
Fertilizer nutrient requirements for corn are based on expected yield and nutrient levels in
the soil. This revision contains slight changes to the nitrogen (N) recommendation equation …