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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1985.tb01760.x/epdf
Last checked: 10/02/2015
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| Publication Type:
| Refereed |
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| Author(s): | Haggar, R. J.;
Isaac, S. P. |
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| Author Affiliation: | AFRC Weed Research Organization, Oxford, UK |
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| Title: | The use of a reflectance ratio meter to monitor grass establishment and herbicide damage |
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| Source: | Grass and Forage Science. Vol. 40, No. 3, September 1985, p. 331-334. |
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| Publishing Information: | Oxford, Blackwell Scientific Publications |
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| Keywords: | TIC Keywords: Lolium perenne; Herbicides; Reflectance ratio meter; Injuries; Establishment
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| Abstract/Contents: | "A sensor which detects the presence of green vegetation against a brown background was used to monitor the establishment of plots of Lolium perenne and Poa trivalis, either hand weeded or unweeded. The spectral assessments obtained by the meter were very closely related to the proportion of ground cover, assesed photographically, and harvested dry weight of the two species, at least up to 100 days (approx. 50% ground cover) from sowing. Such spectral assessments therefore provide a rapid, non-destructive method of monitoring changes in green-leaf biomass of establishing grasses. In a complementary investigation the meter provided accurate and objective assessments of scorch damage to grasses caused by various herbicides." |
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| Language: | English |
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| References: | 4 |
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| Note: | Tables
Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Haggar, R. J., and S. P. Isaac. 1985. The use of a reflectance ratio meter to monitor grass establishment and herbicide damage. Grass Forage Sci. 40(3):p. 331-334. |
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| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1985.tb01760.x/epdf
Last checked: 10/02/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 197 .B7 |
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