Full TGIF Record # 200610
Item 1 of 1
DOI:10.1111/j.1365-2494.1971.tb00665.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1971.tb00665.x/pdf
    Last checked: 03/28/2012
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    Access conditions: Item is within a limited access website
Publication Type:
i
Refereed
Author(s):Newbould, P.; Taylor, R.; Howse, K. R.
Author Affiliation:Agricultural Research Council, Letcombe Laboratory, Wantage, Berkshire
Title:The absorption of phosphate and calcium from different depths in soil by swards of perennial ryegrass
Source:Grass and Forage Science. Vol. 26, No. 4, December 1971, p. 201-208.
# of Pages:8
Publishing Information:[Oxford, England, United Kingdom]: Blackwell Publishing Ltd.
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1971.tb00665.x/abstract
    Last checked: 03/28/2012
    Notes: Abstract only
Keywords:TIC Keywords: Calcium; Fertilization; Lolium perenne; Nutrient absorption; Phosphorus uptake; Soil depth; Soil water content; Tracer techniques
Abstract/Contents:"A method for measuring the depth in soil from which plants absorb nutrients is described. Radioactive tracers are injected at different depths and when allowance is made for any variations in the extent to which the added tracer is diluted by labile ions in the soil at each depth the relative quantities of nutrient taken up from different depths can be calculated. Results obtained with perennial ryegrass swards of contrasting age indicated that the uptake of P and Ca always occurred predominantly from within the top 12.5 cm of soil. Apart from the initial few months of a sward's life, the proportion of both elements absorbed from different depths for a whole growing season varied little with age of sward up to 3 1/2 years. Considerable changes in the relative contribution of different depths of soil to uptake occurred within a season; the extent of uptake from the surface layers was primarily influenced by variations in soil-water content and the application of fertilizer to this region."
Language:English
References:19
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Newbould, P., R. Taylor, and K. R. Howse. 1971. The absorption of phosphate and calcium from different depths in soil by swards of perennial ryegrass. Grass Forage Sci. 26(4):p. 201-208.
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DOI: 10.1111/j.1365-2494.1971.tb00665.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1971.tb00665.x/pdf
    Last checked: 03/28/2012
    Requires: PDF Reader
    Access conditions: Item is within a limited access website
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