View from the Sky: Mapping corn nitrogen status at the watershed level | Zendy

Chris Wilkins | Zendy; Suzanne Fey | Zendy; Bra Wirt | Zendy; Peter Kyveryga | Zendy

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View from the Sky: Mapping corn nitrogen status at the watershed level

Author(s) -

Chris Wilkins,

Suzanne Fey,

Bra Wirt,

Peter Kyveryga

Publication year - 2017

Publication title -

proceedings of the integrated crop management conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.31274/icm-180809-252

Subject(s) - watershed , nitrogen , environmental science , remote sensing , sky , agricultural engineering , computer science , geography , computer vision , engineering , meteorology , chemistry , organic chemistry

Research about N management in corn has rapidly advanced during the last 10 years. Farmers and agronomists can use different recommendation systems such as the regional N recommendations that are based on yield response and profit optimization (Sawyer et al., 2006) or in-season N diagnostics tools such as chlorophyll meters or crop canopy sensors (Scharf and Lory, 2002; Holland and Sheperds, 2010). In addition, farmers can subscribe to many commercial N modeling tools that provide sidedress N rate prescriptions based on observed weather, potential corn yields and digital soil map information.

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