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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | PI 642732 | 'Nitrasoy' | Glycine max (L.) Merr. | North Carolina, United States | SOY |  | Not Available | 2006 | DEVELOPED | 04/13/2006 | | | | | Cultivar | Nitrasoy is a nonnodulating Group VI maturity soybean with a large requirement for soil-applied nitrogen to obtain excellent seed yield. Nitrasoy provides a leguminous crop option for land application of animal waste, previously unavailable using commercial soybean varieties. Nitrasoy recovered 17% more soil applied N in seed than the nonnodulating germplasm, D68-0099. (193 kg N/ha versus 165 kg N/ha). Thus, it is an excellent choice as an N receiver crop for fields receiving swine lagoon effluent. Substitution of nonnodulated Nitrasoy into this system for a nodulated soybean variety should improve recovery of nitrogen applied in animal waste. Nitrasoy is also a useful tool for studying effects of microbial and asymbiotic N fixation on soybean productivity. Positive effects of symbiotic N fixation by Bradyrhizobium on soybean are well known. Effects of associative N fixation from free-living N fixing bacteria, such as Azotobacter, are not known, even though they are routinely included in some soybean inoculums, and are known to enhance nodulation. Nitrasoy provides a very useful tool for studying these effects. It is adapted to southern USA, 27 - 37 degrees N latitude. | 1700781 | PI 642732 |