Full TGIF Record # 18322
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Publication Type:
i
Report
Author(s):Siegm√ľller, E.
Author Affiliation:Institut f√ľr Bodenkunde und Bodenerhaltung -- LANDSCHAFTSBAU der Justus-Liebig-Universit√§t Gie√üen, Schlo√ügasse 7,6300 Gie√üen.
Title:Vergleich von Bodenverbesserung und Mulchung zu Feldgehölzen
Translated Title:A comparison between soil amelioration and mulching on the growth of native trees and shrubs
Source:Zeitschrift f√ľr Vegetationstechnik. Vol. 13, No. 1, January-March 1990, p. 29-40.
# of Pages:12
Publishing Information:Hannover, W. Germany: Patzer Verlag GmbH and Co. KG, Alter Flughafen
Keywords:TIC Keywords: Mulching; Growth; Soil properties; Trees; Tree growth characteristics; Nitrogen
Abstract/Contents:"The soil management systems 'mulching' and 'soil amelioration' were compared with regard to their effect on soil properties and the development of native trees and shrubs on a stoney sandy loam. The trial consisted of a fertilized and unfertilized control and of plots mulched with bark or with wintered grass clippings. There were a further six plots with equal amounts of sludge (KS), composted sludge/refuse mix (MKK) or composted bark (RH) either worked into the soil or mulched. Acer campestre, Corylus avellana and Lonicera xylosteum were planted in 1985. The ascertained N-values showed a fixing of nitrogen in the soil in all mulched plots in the autumn of the planting year. This fixation of N could only be found in the plot mulched with bark and the plot with composted bark worked into the soil in 1989. Penetrometer readings were least where material was worked into the soil. The mulched plots showed also reduced values in comparison to the control. The mixing of materials with the soil led generally to doubling of organic matter content and total nitrogen in the soil in comparison to the other treatments. High nitrate values were found particularly in the KS plots. On the other hand, very low values were found in the two bark treatments. Plant deaths were highest where sludge was used to ameliorate the soil. Above average deaths were found where clippings were used as a mulch. The species tested did not generally react the same. Best results in the planting year were observed in the KS mulch plots as well as in the ameliorated plots and led to heavier leaf weight, higher N-values and to a darker leaf colour. The greatest differences between the best and the worst treatments were found 1988 in plant height: 71 cm in the case of Acer and 38.5 in the case of Corylus. Differences in plant diameter were 63 cm for Acer and 38.1 for Lonicera. Differences between the ameliorated plots and the corresponding mulch plots were relatively small. The smallest differences in plant height occurred in the composted sludge/refuse plots, the largest in the bark plots. The parameter plant diameter showed even smaller relative differences. The largest differences were found in the sludge/refuse plots, the smallest in the bark plots. Bark mulch depressed growth in the early stages of the experiment."
Language:German
References:6
Note:Summary lang.: De., En.
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Siegm√ľller, E. 1990. Vergleich von Bodenverbesserung und Mulchung zu Feldgeh√∂lzen. (In German) Zeitschrift f√ľr Vegetationstechnik. 13(1):p. 29-40.
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