MARC details
000 -LEADER |
fixed length control field |
01632nam a22003737a 4500 |
001 - CONTROL NUMBER |
control field |
G51924 |
003 - CONTROL NUMBER IDENTIFIER |
control field |
MX-TxCIM |
005 - DATE AND TIME OF LATEST TRANSACTION |
control field |
20211006074640.0 |
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
fixed length control field |
121211s ||||f| 0 p|p||0|| | |
020 ## - INTERNATIONAL STANDARD BOOK NUMBER |
International Standard Book Number |
0515-7137 |
040 ## - CATALOGING SOURCE |
Original cataloging agency |
MX-TxCIM |
041 0# - LANGUAGE CODE |
Language code of text/sound track or separate title |
En |
043 ## - GEOGRAPHIC AREA CODE |
Geographic area code |
US |
072 #0 - SUBJECT CATEGORY CODE |
Subject category code |
E20 |
072 #0 - SUBJECT CATEGORY CODE |
Subject category code |
F08 |
082 04 - DEWEY DECIMAL CLASSIFICATION NUMBER |
Classification number |
87-019258 |
100 1# - MAIN ENTRY--PERSONAL NAME |
Personal name |
Hexem, R.W. |
245 00 - TITLE STATEMENT |
Title |
Trends in double cropping |
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) |
Date of publication, distribution, etc. |
1986 |
340 ## - PHYSICAL MEDIUM |
Material base and configuration |
Printed |
500 ## - GENERAL NOTE |
General note |
42 ref. Literature review |
520 ## - SUMMARY, ETC. |
Summary, etc. |
Extract: U.S. farmers increased double-cropped acreage from 5.8 to 12.4 million acres during 1974-82, from 1.9 percent of all acres harvested in 1974 to nearly 4 percent in 1982. Double cropping was expanding because of rising commodity prices and producers' adoption of advanced technologies in plant varieties and farming practices. Appalachia, the Delta States, and the Southeast showed the sharpest growth in double cropping, partly because growing seasons there are relatively long. Double cropping declined after 1982 because of weak soybean prices, Government-sponsored idling of some wheat acreage that would otherwise have been double cropped, and unfavorable |
546 ## - LANGUAGE NOTE |
Language note |
English |
591 ## - CATALOGING NOTES |
Affiliation |
NAL, USDA, Beltsville, Md. 20705 - USA |
595 ## - COLLECTION |
Collection |
AGRIS Collection |
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Conservation |
9 (RLIN) |
1054 |
650 17 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Cropping systems |
Miscellaneous information |
AGROVOC |
Source of heading or term |
|
9 (RLIN) |
1068 |
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Management |
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Sequential cropping |
9 (RLIN) |
1256 |
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
9 (RLIN) |
1832 |
Topical term or geographic name as entry element |
Tillage |
Miscellaneous information |
AGROVOC |
700 1# - ADDED ENTRY--PERSONAL NAME |
Personal name |
Boxley, R.F, |
Relator term |
coaut. |
773 0# - HOST ITEM ENTRY |
Title |
Agricultural economic report - United States Dept. of Agriculture (USA). no. 553 Jun 1986. 14 p |
Note |
87-019258 |
942 ## - ADDED ENTRY ELEMENTS (KOHA) |
Koha item type |
Book |