Full TGIF Record # 18320
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Author(s):Skirde, W.; Eurich, B.; Hilger, C.; Ingenhorst, F. W.; M√ľllejans, R.; Sauer, S.
Author Affiliation:Institut f. Bodenkunde u. Bodenerhaltung -- Landschaftsbau der Justus-Liebig-Universität Gießen, Schloßgasse 7,6300 Gießen.
Title:Nitratgehalte in Bodenschichten von Rasensportpl√§tzen und Gr√ľnanlagen
Translated Title:Nitrate levels in soil at various depths under grass pitches and amenity landscape areas
Source:Zeitschrift f√ľr Vegetationstechnik. Vol. 13, No. 1, January-March 1990, p. 12-20.
# of Pages:9
Publishing Information:Hannover, W. Germany: Patzer Verlag GmbH and Co. KG, Alter Flughafen
Keywords:TIC Keywords: Nitrates; Measurement; Absorption; Leaching; Fertilization
Abstract/Contents:"Under the new Regulations for Water Protection Areas in Baden-W√ľrttemburg , the nitrate content of soils, measured down to 60 cm in heavy soils and 90 cm to light soils, shall not exceed 45 kg/ha in late autumn. In addition, the possibility is discussed to reducing nitrate content by the application of specified N amounts on particular types of turf. In order to get a general impression of nitrate levels, soil samples were taken in autumn 1988 from 15 grass sports pitches (mostly of conventional type), 9 amenity grassland areas, and 5 amenity plantings, in various parts of the country. Conventional pitches predominated because they were expected to have higher nitrate levels than the more permeable DIN constructions. The sampling was done uniformly at depths of 0-15, 15-30 and 30-60 cm. ... In the finer soil fractions the nitrate content of the grass sports pitches ranged from 1 kg/ha to 154 kg/ha. Adjusted for the complete soil, these values become 0.8 kg/ha to 92 kg/ha. Only three of the 15 pitches exceeded the 45 kg/ha limit. The results for the amenity areas fit within these ranges. The nitrate levels of the plantings were lower than those of the grassland. There is no clear connection between nitrate content and soil type or organic matter content. At the most, there seems to be a complex relationship with excessive N fertilizer application, strongly absorptive soils, and recycling of clippings. If one considers only the depths effectively occupied by roots, namely the 0-15 cm layer, the nitrate levels of the finer soil fractions under sports pitches are reduced to 0.6 to 32.5 kg/ha (mean = 13.1 kg/ha = 1.3 g/m2). In the complete soil the corresponding range is 0.5 to 28.6 kg/ha (mean = 11.7 kg/ha = 1.2 g/m3). These low values suggest that it is of no account, especially in view of all the variable of technique and timing, to attempt a systematic prediction of nitrate for fertilizer application."
Note:Summary lang.: De., En.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Skirde, W., B. Eurich, C. Hilger, F. W. Ingenhorst, R. M√ľllejans, and S. Sauer. 1990. Nitratgehalte in Bodenschichten von Rasensportpl√§tzen und Gr√ľnanlagen. (In German) Zeitschrift f√ľr Vegetationstechnik. 13(1):p. 12-20.
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