There are no modern high-yielding varieties in maturity groups (MG) 0, I, II, III and IV zones of adaptation in the North Central US developed as isolines carrying the mutant non root-nodule phenotype that can be compared to their normal root-nodulating counterparts in order to measure the impact of their nitrogen (N) fixing capability. The only existing non-nodulating mutant isolines are two old varieties (Harosoy and Clark) that were developed in the 1960s. To facilitate ongoing research aimed at understanding the current contributions of Biological Nitrogen Fixation (BNF) and nitrate availability (soil residual or fertilizer) that is representative of production environments of MG II...
Updated February 12, 2021:
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The United Soybean Research Retention policy will display final reports with the project once completed but working files will be purged after three years. And financial information after seven years. All pertinent information is in the final report or if you want more information, please contact the project lead at your state soybean organization or principal investigator listed on the project.
