Integrated Crop Management News
 

Document Type

Article

Publication Date

7-30-2013

Abstract

“Knee high by the fourth of July!” Some of us grew up with that old saying which either foreshadowed disaster or forecast bumper yields. If corn was knee high by the fourth, most thought it would mature before the first fall frost. That was good news! As we look back, the statement perhaps was valid back when the first target corn planting date was mid-May.

Copyright Owner

Iowa State University

Language

en

File Format

application/pdf

20130730-ElmoreR-ShortCornVariable-Figure1.pdf (168 kB)
Figure 1. Corn planting progress in Iowa, 2004 and 2008 to 2013

20130730-ElmoreR-ShortCornVariable-Figure2.pdf (173 kB)
Figure 2. Soil temperatures in 2013 compared to those of 2012 and the 10-year average at Gilbert, Iowa, Central Iowa.

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