MARC details
| 000 -LEADER |
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| fixed length control field |
02483nam a22003257a 4500 |
| 001 - CONTROL NUMBER |
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| control field |
G62659 |
| 003 - CONTROL NUMBER IDENTIFIER |
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| control field |
MX-TxCIM |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20211006082231.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
121211s ||||f| 0 p|p||0|| | |
| 040 ## - CATALOGING SOURCE |
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| Original cataloging agency |
MX-TxCIM |
| 082 04 - DEWEY DECIMAL CLASSIFICATION NUMBER |
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| Classification number |
82-831621 |
| 100 1# - MAIN ENTRY--PERSONAL NAME |
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| Personal name |
Aragon, E.L. |
| Affiliation |
College, Laguna (Philippines). 1981. 33 p |
| 110 2# - MAIN ENTRY--CORPORATE NAME |
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| Corporate name or jurisdiction name as entry element |
International Rice Research Inst., College, Laguna (Philippines). IRRI Saturday Seminar. College, Laguna (Philippines). 3 Oct 1981 |
| 245 00 - TITLE STATEMENT |
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| Title |
Drought response of rice at different nitrogen levels using line source sprinkler system [in the Philippines] |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) |
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| Date of publication, distribution, etc. |
1981 |
| 340 ## - PHYSICAL MEDIUM |
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| Material base and configuration |
Printed |
| 500 ## - GENERAL NOTE |
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| General note |
13 graphs; 22 ref. Summary (En) |
| 520 ## - SUMMARY, ETC. |
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| Summary, etc. |
In this study, the yield and growth responses of four rice cultivars to seven irrigation and three nitrogen levels were evaluated using the line source sprinkler system. Visual observations on the degree of drought tolerance and measurement of leaf water potential (LWP) were also made. The effect of drought stress was least on the traditional variety Kinandang Patong and greatest on the modern variety IR 20. Increasing nitrogen levels from D (no nitrogen fertilizer) to 60 and 120 kg N/ha increased the degree of water stress. This also resulted in decreased LWP especially when the total water applied was minimal. At all nitrogen levels, Kinandang Patong had significantly higher LWP than IR 20. There was a curvilinear increase in the number of days to heading and a linear decrease in plant height and dry matter production with decrease in total water applied. The yield-water-fertilizer relationship of the four cultivars revealed different production surfaces. The early-maturing IR 52 gave the highest grain yield at 120 kg N/ha and maximum water application of 850 mm. Without nitrogen fertilizer (0 kg N/ha), Kinandang Patong gave the highest predicted yield with 550 mm water applied. At 120 kg N/ha, and 550 mm water, IR 36 was superior in yield to other rice tested. Result suggest that in areas of uncertain moisture supply, nitrogen application rate should be reduced from that normally used for irrigated rice culture |
| 546 ## - LANGUAGE NOTE |
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| Language note |
English |
| 595 ## - COLLECTION |
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| Collection |
AGRIS Collection |
| 650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name as entry element |
Drainage and irrigation |
| 650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name as entry element |
Drought resistance |
| 650 17 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name as entry element |
Fertilizers |
| Miscellaneous information |
AGROVOC |
| Source of heading or term |
|
| 9 (RLIN) |
1111 |
| 650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name as entry element |
Philippines |
| 650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name as entry element |
Rice oryza |
| 650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| 9 (RLIN) |
1952 |
| Topical term or geographic name as entry element |
Soil fertility |
| Miscellaneous information |
AGROVOC |
| 650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| 9 (RLIN) |
1190 |
| Topical term or geographic name as entry element |
Nitrogen fertilizers |
| Miscellaneous information |
AGROVOC |
| 700 1# - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Datta, S.K. de, |
| Relator term |
coaut. |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
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| Koha item type |
Book |