Is data needed from every field to determine in-season precision nitrogen recommendations in winter wheat?

EFFICIENCY OF PRE-PLANT, TOPDRESS, AND VARIABLE RATE APPLICATION OF NITROGEN IN WINTER WHEAT

(2012) Christopher N. Boyer et al.   JOURNAL OF PLANT NUTRITION

The effect of parameter uncertainty on whole-field nitrogen recommendations from nitrogen-rich strips and ramped strips in winter wheat

(2010) David C. Roberts et al.   AGRICULTURAL SYSTEMS

Replicability of nitrogen recommendations from ramped calibration strips in winter wheat

(2010) David C. Roberts et al.   PRECISION AGRICULTURE

Profitability of variable rate nitrogen application in wheat production

(2010) Christopher N. Boyer et al.   PRECISION AGRICULTURE

Crop Input Response Functions with Stochastic Plateaus

(2008) Gelson Tembo et al.   AMERICAN JOURNAL OF AGRICULTURAL ECONOMICS

Economic feasibility of site-specific optical sensing for managing nitrogen fertilizer for growing wheat

(2008) Jon T. Biermacher et al.   PRECISION AGRICULTURE

Real-time measurement of soil attributes using on-the-go near infrared reflectance spectroscopy

(2007) C.D. Christy   COMPUTERS AND ELECTRONICS IN AGRICULTURE