Full TGIF Record # 12773
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Web URL(s):https://dl.sciencesocieties.org/publications/aj/pdfs/57/6/AJ0570060634a
    Last checked: 12/09/2016
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Publication Type:
i
Refereed
Author(s):Hart, Richard H.
Author Affiliation:Research Agronomist, Crops Research Division, Agricultural Research Service, United States Department of Agriculture, College of Agriculture Experiment Stations, Coastal Plain Experiment Station, University of Georgia, Tifton, Georgia
Title:A miniature grid for estimating area of grass leaves
Source:Agronomy Journal. Vol. 57, No. 6, November/December 1965, p. 634.
Publishing Information:Washington: American Society of Agronomy
# of Pages:1
Keywords:TIC Keywords: Leaf area; Equipment; Measurement
Abstract/Contents:Presents a study conducted to "determine the amount of incident radiation which a Coastal bermudagrass stand must intercept for maximum forage production." States that "part of the study involves estimating the LAI needed to incercept various amounts of radiation and requires a rapid and inexpensive method of determining the total area of leaves harvested from small quadrants." Details methods and materials used in the study, stating that "the grid apparatus consists of a metal sample box, 5 inches square and about 1/2 inch deep, and a piece of 1/2-inch mesh hardware cloth, 4 3/4 inches square...To test the accuracy of the method, pieces of paper 6, 12, 18, and 24 square inches in area were cut into strips about 1/8 inch wide, to simulate leaf blades." Concludes that "if the leaves being measured differ considerably in shape or size from those of bermudagrass, it may be necessary to compute a different regression equation, using paper cut into pieces closely resembling in size and shape the leaves to be measured. Where single large leaves are being measured, no regression is needed, but the sample standard deviation should be calculated to determine the number of counts needed to provide the desired level of precision."
Language:English
References:0
Note:Pictures, b/w
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hart, R. H. 1965. A miniature grid for estimating area of grass leaves. Agron. J. 57(6):p. 634.
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Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/57/6/AJ0570060634a
    Last checked: 12/09/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: S 22 .A45
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