The response of 11 different varieties of grapes treated with different levels of N was studied over a seven-year period Phosphorau fertilizer was applied midway through the study. Tissue samples were tested for total P and NO₃-N content, and yield determined annually. The results showed a positive interaction in tens of increased yield between N and P when sufficient quantities of both nutrients were provided
| Identifer | oai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/215733 |
| Date | 12 1900 |
| Creators | Stroehlein, J. L., Janat, M. M., McGuide, C. E. |
| Contributors | Kilby, Michael W., Bantlin, Marguerite |
| Publisher | College of Agriculture, University of Arizona (Tucson, AZ) |
| Source Sets | University of Arizona |
| Language | en_US |
| Detected Language | English |
| Type | text, Article |
| Relation | Series P-83, 370083 |
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