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Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1982.tb01423.x/abstract Last checked: 09/25/2015 Access conditions: Item is within a limited-access website http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1982.tb01423.x/epdf Last checked: 09/25/2015 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Goodman, P. J.;
Collison, M. |
Author Affiliation: | Welsh Plant Breeding Station, Plas Gogerddan, Dyfed |
Title: | Varietal differences in uptake of 32P labelled phosphate in clover plus ryegrass swards and monocultures |
Source: | Annals of Applied Biology. Vol. 100, No. 3, June 1982, p. 559-565. |
# of Pages: | 7 |
Keywords: | TIC Keywords: Lolium perenne; Lolium multiflorum; Trifolium repens; Mixtures; Nutrient uptake
|
Geographic Terms: | UK |
Abstract/Contents: | Lolium perenne cv. S23, L. multiflorum cv. RvP and Trifolium repens cv. S184 and Olwen were grown in mixed swards and monoculture in 1979. Whereas in mixtures grass roots absorbed more 32P than clover roots, in monoculture clover generally absorbed more 32P than grass roots. This showed that grass was a very strong competitor for uptake in mixed swards. Clover and grass monocultures absorbed most 32P from 10 or 15 cm depth in the soil, while grass in mixtures absorbed most 32P at 22.5 cm depth. Comparing cv., in monocultures in June, Olwen was most active in absorbing 32P at 15 cm. In Aug. Olwen absorbed more at 15 cm and 22.5 cm than S184 or the grass cv. Differences in absorption depth between cv. were less in mixtures than in monocultures. S23 absorbed more 32P in the late season than RvP, both in monoculture and in mixtures. Thus Olwen differed from S184 in depth and timing of uptake, while S23 differed from RvP in time of uptake. Such varietal differences could be exploited by manipulation of depth and timing of fertilizer application to increase the precision of sward management. |
Language: | English |
References: | 12 |
Note: | Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Goodman, P. J., and M. Collison. 1982. Varietal differences in uptake of 32P labelled phosphate in clover plus ryegrass swards and monocultures. Ann. Appl. Biol. 100(3):p. 559-565. |
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| Web URL(s): http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1982.tb01423.x/abstract Last checked: 09/25/2015 Access conditions: Item is within a limited-access website http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1982.tb01423.x/epdf Last checked: 09/25/2015 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: QH 303 .A48 |
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