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  • Soil nitrate and ammonium: Tree Competition Garden
  • Tilman, David
  • 2018-01-22
  • Tilman, D. 2018. Soil nitrate and ammonium: Tree Competition Garden ver 8. Environmental Data Initiative. https://doi.org/10.6073/pasta/8abe8d929075243dd5f2cfcd1ee89f89 (Accessed 2024-04-18).

  • This experiment was set up adjacent to E055 in the high disturbance, garden area. 1.75 inches of black soil was added to the CCNHA sandy soil to make four 10 feet x 54 feet plots. The soil was rototilled and aluminum flashing was installed to edge the plots and divide them into 48, 5 feet x 9 feet plots. Equal amounts of MgSO4, CaCO3, P2O5 and K2O are added to the plots each year in early May and late June. For a describtion of fertilizer added, see fertilization details. Seeds were planted with 6 replicates of each of the following treatments: 1. Agropyron repens monoculture 2. Schizachyrium scoparium monoculture 3. Pinus strobus monoculture 4. Quercus ellipsoidalis monoculture 5. Agropyron repens + Quercus ellipsoidalis on half 6. Agropyron repens + Pinus strobus on half 7. Schizachyrium scoparium + Quercus ellipsoidalis on half 8. Schizachyrium scoparium + Pinus strobus on half The competition plots were split, with half invaded by seed and half to be invaded by seedling. For treatments 5-8, the right or left sides were chosen at random, to plant the tree seeds. The plots were watered throughout the growing season to keep water from becoming a limiting resource.

  • N: 45.44138      S: 45.384865      E: -93.16289      W: -93.22445
  • Intellectual Rights for Cedar Creek LTER data This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA. This is a human-readable summary of (and not a substitute for) the license. You are free to copy and redistribute the material in any medium or format You are free to remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms. You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits. Notice - You do not have to comply with the license for elements of the material in the public domain or where your use is permitted by an applicable exception or limitation. Notice - No warranties are given. The license may not give you all of the permissions necessary for your intended use. For example, other rights such as publicity, privacy, or moral rights may limit how you use the material.
  • https://doi.org/10.6073/pasta/8abe8d929075243dd5f2cfcd1ee89f89
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