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Effects of Fertilization and Herbicide Treatments on Pole and Young Stand Growth in Montana Item Info

The fertilizer, herbicide, and combination treatments generally had a significant positive effect on tree growth, although response was quite variable between sites. sometimes the response was very large approaching 70% for some sites. Generally N-P-K fertilizer only treatment was most effective in the larger (pole) sized stands, while the herbicide treatment was not. The results were the opposite for the young stands, the herbicide treatment produced better response than fertilizer only treatment. However, the combined fertilizer and herbicide treatment was sometimes the best treatment for the young stands. Interestingly, similar to the IFTNC results, foliar KIN ratio (actually the change in the ratio) was a significant predictor of response. If the KIN ratio decreased (usually associated with the fertilizer only treatment) following treatment, then response was negative; however, if the KIN ratio increased (always associated with the combined treatment), then growth response was positive and substantially so.

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Title:
Effects of Fertilization and Herbicide Treatments on Pole and Young Stand Growth in Montana
Creator:
Mandzak, J.M.; Moore. J.A.; Zhang, L.
Date Created (ISO Standard):
1993-02-01
Description:
The fertilizer, herbicide, and combination treatments generally had a significant positive effect on tree growth, although response was quite variable between sites. sometimes the response was very large approaching 70% for some sites. Generally N-P-K fertilizer only treatment was most effective in the larger (pole) sized stands, while the herbicide treatment was not. The results were the opposite for the young stands, the herbicide treatment produced better response than fertilizer only treatment. However, the combined fertilizer and herbicide treatment was sometimes the best treatment for the young stands. Interestingly, similar to the IFTNC results, foliar KIN ratio (actually the change in the ratio) was a significant predictor of response. If the KIN ratio decreased (usually associated with the fertilizer only treatment) following treatment, then response was negative; however, if the KIN ratio increased (always associated with the combined treatment), then growth response was positive and substantially so.
Subjects:
research forest management herbicide fertilizer timber (lumber)
Source:
Mandzak, J.M., J.A. Moore, L. Zhang. 1993. Effects of Fertilization and Herbicide Treatments on Pole and Young Stand Growth in Montana. FWR, Univ. of Idaho, Moscow.
Source Identifier:
Effects_of_Fertilization_and_Herbicide_Treatments_on_Pole_and_Young_Stand_Growth_in_MT_IFTNC_1993
Type:
Text
Format:
application/pdf

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Preferred Citation:
"Effects of Fertilization and Herbicide Treatments on Pole and Young Stand Growth in Montana", Intermountain Forestry Cooperative, University of Idaho Library Digital Collections, https://www.lib.uidaho.edu/digital/iftnc/items/iftnc4801.html
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This document is provided by the University of Idaho Library for use by University of Idaho students, staff, and faculty. All rights to the document linked from this metadata belong to the author, rights holder, and/or provider. For more information contact The Intermountain Forestry Cooperative, https://www.uidaho.edu/cnr/ifc
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