Integrating corn nitrogen management strategies and cover crops following winter wheat | Zendy

Rutan J. | Zendy; Steinke K. | Zendy

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Integrating corn nitrogen management strategies and cover crops following winter wheat

Author(s) -

Rutan J.,

Steinke K.

Publication year - 2019

Publication title -

crops and soils

Language(s) - English

Resource type - Journals

eISSN - 2325-3606

pISSN - 0162-5098

DOI - 10.2134/cs2019.52.0606

Subject(s) - cover crop , agronomy , crop , environmental science , nutrient , yield (engineering) , biomass (ecology) , nitrogen , forage , grain yield , biology , chemistry , ecology , materials science , organic chemistry , metallurgy

Following winter wheat, there can be approximately a 90‐day fallow period with no crop N uptake and autumn soil temperatures >50°F, leading to increased residual soil NO 3 –N availability. Opportunities exist for incorporation of cover crops to assimilate residual autumn soil N and reduce the potential for N loss. The objective of this study was to quantify daikon radish and forage oat cover crop biomass and N uptake, cover crop impact on soil NO 3 –N concentration, and corn growth, grain yield, and profitability responses to N placement and timing combinations following cover crops. Earn 1 CEU in Nutrient Management by reading this article and taking the quiz at www.certifiedcropadviser.org/education/classroom/classes/699 .

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