Section 4
Chapter 3,951

Study on differences in nitrogen nutrition between winter wheat varieties in response, uptake to nitrogen and associated depletion of soil nitrate

Zhou ShunLi; Zhang FuSuo; Wang XingRen

Scientia Agricultura Sinica 35(6): 667-672


ISSN/ISBN: 0578-1752
Accession: 003950642

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The response, N uptake and associated depletion of soil nitrate of six winter wheat varieties were studied using the nitrogen response index (NRI), which is the determined value of nitrogen-fertilized treatment divided by the determined value of a non-N fertilizer treatment. Results indicated that the NRI differences for dry matter production, N concentration and N uptake rate were significant among varieties even after N fertilizer addition. The NRI of straw was higher than that of grain.

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