KRISHI
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Please use this identifier to cite or link to this item:
http://krishi.icar.gov.in/jspui/handle/123456789/42177
Title: | ESTIMATION OF EVAPOTRANSPIRATION RATES OF CROPS IN WEIGHING TYPE LYSIMETER AND THEIR RELATIONSHIPS WITH CLIMATIC PARAMETERS. |
Other Titles: | Not Available |
Authors: | PRATAP NARAIN B VERMA SP BHARDWAJ DH RAO |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::Indian Institute of Soil and Water Conservation |
Published/ Complete Date: | 1981-01-01 |
Project Code: | Not Available |
Keywords: | ESTIMATION, EVAPOTRANSPIRATION, CROPS, WEIGHING TYPE LYSIMETER, RELATIONSHIPS , CLIMATIC PARAMETERS. |
Publisher: | Not Available |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | A MECHANICAL WEIGHING TYPE ( ACCURACY +200 g) LYSIMETER HAVING AN UNDISTURBED SOIL MONOLITH OF 120 X 120 X120 cm WITH PROVISIONS TO MEASURE SEEPAGE AND RUNOFF , WAS EMPLOYED TO MEASURE ET LOSSES FROM SORGHUM AND WHEAT FOR TWO YEARS. SEASONAL ET FROM SORGHUM AND WHEAT AVERAGED 562 AND 510mm . MAXIMUM ET OF 8 TO 10 mm/ day FROM SORGHUM OCCURRED DURING AUGUST AND OCTOBER IN TWO YEARS AND OF 7-8 MM FROM MARCH DURING BOTH YEARS. MINIMUM LAI FOR ACHIEVING MAXIMUM ET WAS 2.00 IN BOTH CROPS WHEN SOIL MOISTURE WAS NOT LIMITING. THE RATIO ET/PE WAS 0.85 FOR WHEAT AND 0.75 TO 1.0 FOR SORGHUM. CORRELATION COEFFICIENTS AND REGRESSION EQUATIONS BETWEEN ET AND METEOROLOGICAL PARAMETERS ARE REPORTED. ET FROM CROP WAS SIGNIFICANTLY CORRELATED WITH PAN EVAPORATION; SOLAR RADIATION AND POTENTIAL EVAPORATION COMPUTED BY CHRISTIANSEN'S FORMULA. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Not Available |
Volume No.: | Not Available |
Page Number: | Not Available |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/42177 |
Appears in Collections: | NRM-IISWC-Publication |
Files in This Item:
File | Description | Size | Format | |
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scan0001.pdf | 99.13 kB | Adobe PDF | View/Open |
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