Evaluating the nutritional status of Fraser fir [Abies fraseri (Pursh) Poir.] Christmas trees using foliar analysis and DRIS application
Three studies were conducted with Fraser fir Christmas trees to determine the variation in foliar nitrogen (N) , phosphorus (P) , potassium (K), calcium (Ca), and magnesium (Mg) levels among plantation ages, sample locations within the crown, and effects due to seasonal changes. Extensive variation...
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| Format: | Others |
| Language: | en_US |
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Virginia Polytechnic Institute and State University
2019
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| Online Access: | http://hdl.handle.net/10919/90938 |