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United States Department of Agriculture

Agricultural Research Service

Image Number D1333-1

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Image Number D1333-1

Various crop rotations and irrigation systems result in high residual soil nitrogen levels that can provide good corn yields with lower or no annual nitrogen applications. If soil nitrogen drops too low, however, nitrogen deficiency can occur, as seen in the corn ear on the right.

 

Photo by Bill Cotton.


640 pixels wide: (d1333-1.jpg)




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Last Modified: 12/15/2009
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