Full TGIF Record # 3570
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Author(s):Speidel, B.; Weiss, A.
Author Affiliation:Hessische Lehr- und Forschungsanstalt fur Grunlandwirtschaft und Futterbau, Eichhof/Bad Hersfeld, German Federal Republic
Title:Organic matter produced above and below ground by a golden oat meadow with different fertilizer treatments
Source:Angewandte Botanik. Vol. 46, No. 1/2, 1972, p. 75-93.
Keywords:TIC Keywords: Festuca rubra subsp. rubra; Trisetum flavescens; Chemical composition; Roots; Carbohydrates; Proteins; Fertilizers
Abstract/Contents:In field trials in 1968-70 in a golden oat meadow (Festuca rubra facies of Trisetetum flavescentis), plots were given (a) no fertilizer, 2 cuts, (b) 90 kg P2O5 + 120 kg K2O/ha, 2 cuts, or (c) 200 kg N + 120 kg P2O5 + 240 kg K2O/ha, 3 cuts. In contrast to above-ground biomass, root DM was greatest (9.46 t/ha) with (a) and least (7.38 t/ha) with (c). The ratio of above-ground biomass to root DM was 1:3, 2:3 and 3:3, respectively. About 80% of the root DM, but only 47% of root tips was found in the soil layer of 0-5 cm. The content of soluble carbohydrates in the roots was least in spring (9.35-9.99% of DM) and highest in autumn (14.02-14.75%). The yearly turnover increased with increase in fertilizer rate. Contents of CP and ether extract decreased from spring to early Aug. and thereafter increased. The content of soluble carbohydrates in the stubble was low in the spring, increased in May and then increased further in Sept.-late autumn. (See also HbA 42, 1423).
Note:Summary appears in English
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Speidel, B., and A. Weiss. 1972. Organic matter produced above and below ground by a golden oat meadow with different fertilizer treatments. (In German) Angewandte Botanik. 46(1/2):p. 75-93.
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