Knowledge Center Catalog

A method of estimating the total length of root in a sample (Record no. 19581)

MARC details
000 -LEADER
fixed length control field 01748nab a22003137a 4500
001 - CONTROL NUMBER
control field G68931
003 - CONTROL NUMBER IDENTIFIER
control field MX-TxCIM
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20231006165525.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 231006s1966 xxk|||p|op||| 00| 0 eng d
022 ## - INTERNATIONAL STANDARD SERIAL NUMBER
International Standard Serial Number 0021-8901
022 ## - INTERNATIONAL STANDARD SERIAL NUMBER
International Standard Serial Number 1365-2664 (Online)
024 8# - OTHER STANDARD IDENTIFIER
Standard number or code https://doi.org/10.2307/2401670
040 ## - CATALOGING SOURCE
Original cataloging agency MX-TxCIM
041 0# - LANGUAGE CODE
Language code of text/sound track or separate title eng
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) REP-1453
100 1# - MAIN ENTRY--PERSONAL NAME
Personal name Newman, E.I.
9 (RLIN) 31811
245 12 - TITLE STATEMENT
Title A method of estimating the total length of root in a sample
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc. United Kingdom :
Name of publisher, distributor, etc. British Ecological Society,
Date of publication, distribution, etc. 1966.
340 ## - PHYSICAL MEDIUM
Material base and configuration Printed
520 ## - SUMMARY, ETC.
Summary, etc. The roots are laid out on a flat surface, and a count is made of the number of intersections between the roots and random straight lines. Then the total root length = πNA/2H, where N is the number of intersections, A the area within which the roots lie, and H the total length of the straight lines. Details are given of a technique in which a microscope hair-line provides the straight lines. In practical tests the method was compared with direct measurement, and with direct measurement of a sub-sample followed by weighing of the sub-sample and the remainder. The results from the different methods agreed well. The line intersection method was much quicker than direct measurement, and in a given time achieved higher precision than measurement of a sub-sample and weighing.
546 ## - LANGUAGE NOTE
Language note Text in English
595 ## - COLLECTION
Collection Reprints Collection
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 1755
Topical term or geographic name as entry element Roots
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 31812
Topical term or geographic name as entry element Root length
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 11634
Topical term or geographic name as entry element Root systems
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 1207
Topical term or geographic name as entry element Plant ecology
773 0# - HOST ITEM ENTRY
Title Journal of Applied Ecology
Related parts v. 3, no. 1, p. 139-145
Place, publisher, and date of publication United Kingdom : British Ecological Society, 1966.
Record control number G444506
International Standard Serial Number 0021-8901
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Article
Source of classification or shelving scheme Dewey Decimal Classification
Suppress in OPAC No
Holdings
Date last seen Total Checkouts Full call number Price effective from Koha item type Lost status Damaged status Not for loan Collection code Withdrawn status Home library Current library Date acquired
07/03/2017   REP-1453 07/03/2017 Article Not Lost     Reprints Collection   CIMMYT Knowledge Center: John Woolston Library CIMMYT Knowledge Center: John Woolston Library 07/03/2017

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