Full TGIF Record # 136159
Item 1 of 1
Publication Type:
i
Proceedings
Author(s):Harris, Warwick; Hoglund, John H.
Author Affiliation:Grasslands Division, Department of Scientific and Industrial Research, Palmerston North, New Zealand
Title:Influences of seasonal growth periodicity and N-fixation on competitive combining abilities of grasses and legumes
Section:Biological fundamentals of yield formation with grasses and legumes: Climatic factors and yield formation
Other records with the "Biological fundamentals of yield formation with grasses and legumes: Climatic factors and yield formation" Section
Source:International Grassland Congress, Proceedings. Vol. 1, 1977, p. 239-243.
# of Pages:5
Publishing Information:Zurich, Etc., V. P.
Keywords:TIC Keywords: Growth factors; Nitrogen fixation; Lolium perenne; Trifolium repens; Trifolium pratense; Legumes; Temperatures; Water stress; Nitrogen fertilization
Abstract/Contents:"Annual growth curves of L. perenne, T. repens, and T. pratense in monoculture and their components in grass-legume mixtures are examined to demonstrate yield gains obtained by combining different seasonal growth periodicities. Gains were obtained from a L. perenne-T. pratense mixture because of year-round growth in which temperatures varied from those optimal for the legume. Adaptation of T. pratense enabling it to grow when high temperatures and moisture stress were coincidental allowed a shift from grass dominance in winter to legume dominance in summer even where fertilizer N was applied. Effects of legume contents and grass associates on N-fixation in twelve mixtures were measured. A beneficial effect of increased grass yield where fertilizer N was applied is one of several factors to consider when selecting grasses and legumes to form mixtures with adequate nitrogen nutrition."
Language:English
References:26
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Harris, W., and J. H. Hoglund. 1977. Influences of seasonal growth periodicity and N-fixation on competitive combining abilities of grasses and legumes. p. 239-243. In International Grassland Congress, Proceedings. Zurich, Etc., V. P.
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