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Title: Post-establishment fertilization of Minnesota hybrid poplar plantations.

Abstract

Experimental plantings were installed at five sites in three locations in western Minnesota. Aboveground biomass production increased 43-82% as a result of three annual applications of urea or balanced nutrient blend fertilizer beginning near canopy closure. There were no production differences between the type of fertilizer used, indicating that N was the major limiting nutrient. Responses were consistent from site to site, indicating that hybrid poplar stands in this region at this stage of development would be very responsive to fertilization. Leaf tissue N, P, and K concentrations increased in response to both fertilizer treatments; P and K increased more frequently in response to the blend treatment compared to the N-only urea treatment. The diagnosis and recommendation integrated system (DRIS) indices indicated that the stands were near optimal nutritional balance prior to fertilization. Treatments increased individual leaf area and leaf litter production up to 33% and 37%, respectively. Canopy leaf area, leaf N concentration and the sum of DRIS indices were correlated with aboveground production. Growth efficiency, the ratio of production to canopy leaf area, increased with both fertilizer treatment and successive years of treatment, indicating improved stand vigor due to nutrient amendments. Stand production increased more in response tomore » changes in leaf N concentration as stands aged. Plantation production continued to increase with increased internal N concentration even when deficiency levels or levels defined as sufficient for fast growth were exceeded. The correlation between aboveground production and the sum of DRIS indices shows that optimal nutrition at canopy closure may result in current aboveground dry matter production exceeding 13Mgha-1 yr-1. Multiple small-dose amendments appear to be effective in increasing production by maintaining high internal N concentrations.« less

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
USDA Forest Service-Savannah River, New Ellenton, SC
Sponsoring Org.:
USDOE; USDOE EM Office of Program and Site Support (EM-50)
OSTI Identifier:
1027500
Report Number(s):
06-24-P
Journal ID: ISSN 0961-9534; BMSBEO; na; TRN: US201121%%653
DOE Contract Number:  
AI09-00SR22188
Resource Type:
Journal Article
Resource Relation:
Journal Name: Biomass and Bioenergy; Journal Volume: 30; Journal Issue: 1
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 60 APPLIED LIFE SCIENCES; BIOMASS; CLOSURES; DIAGNOSIS; EFFICIENCY; FERTILIZATION; FERTILIZERS; MINNESOTA; NUTRIENTS; NUTRITION; POPLARS; PRODUCTION; RECOMMENDATIONS; UREA; Biomass; DRIS; Forest tent caterpillar; Growth efficiency; Nutrient addition rate; Optimal nutrition; Short rotation woody crops; Urea

Citation Formats

Coleman, M., D., Tolsted, D., Nichols, T., Johnson, W., D., Ween, E.G., and Houghtaling, T.. Post-establishment fertilization of Minnesota hybrid poplar plantations.. United States: N. p., 2006. Web. doi:10.1016/j.biombioe.2006.01.001.
Coleman, M., D., Tolsted, D., Nichols, T., Johnson, W., D., Ween, E.G., & Houghtaling, T.. Post-establishment fertilization of Minnesota hybrid poplar plantations.. United States. doi:10.1016/j.biombioe.2006.01.001.
Coleman, M., D., Tolsted, D., Nichols, T., Johnson, W., D., Ween, E.G., and Houghtaling, T.. Sun . "Post-establishment fertilization of Minnesota hybrid poplar plantations.". United States. doi:10.1016/j.biombioe.2006.01.001.
@article{osti_1027500,
title = {Post-establishment fertilization of Minnesota hybrid poplar plantations.},
author = {Coleman, M., D. and Tolsted, D. and Nichols, T. and Johnson, W., D. and Ween, E.G. and Houghtaling, T.},
abstractNote = {Experimental plantings were installed at five sites in three locations in western Minnesota. Aboveground biomass production increased 43-82% as a result of three annual applications of urea or balanced nutrient blend fertilizer beginning near canopy closure. There were no production differences between the type of fertilizer used, indicating that N was the major limiting nutrient. Responses were consistent from site to site, indicating that hybrid poplar stands in this region at this stage of development would be very responsive to fertilization. Leaf tissue N, P, and K concentrations increased in response to both fertilizer treatments; P and K increased more frequently in response to the blend treatment compared to the N-only urea treatment. The diagnosis and recommendation integrated system (DRIS) indices indicated that the stands were near optimal nutritional balance prior to fertilization. Treatments increased individual leaf area and leaf litter production up to 33% and 37%, respectively. Canopy leaf area, leaf N concentration and the sum of DRIS indices were correlated with aboveground production. Growth efficiency, the ratio of production to canopy leaf area, increased with both fertilizer treatment and successive years of treatment, indicating improved stand vigor due to nutrient amendments. Stand production increased more in response to changes in leaf N concentration as stands aged. Plantation production continued to increase with increased internal N concentration even when deficiency levels or levels defined as sufficient for fast growth were exceeded. The correlation between aboveground production and the sum of DRIS indices shows that optimal nutrition at canopy closure may result in current aboveground dry matter production exceeding 13Mgha-1 yr-1. Multiple small-dose amendments appear to be effective in increasing production by maintaining high internal N concentrations.},
doi = {10.1016/j.biombioe.2006.01.001},
journal = {Biomass and Bioenergy},
number = 1,
volume = 30,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 2006},
month = {Sun Jan 01 00:00:00 EST 2006}
}