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MINIMAL IRRIGATION STABILISE RAINFED GRAIN YIELD

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Title MINIMAL IRRIGATION STABILISE RAINFED GRAIN YIELD
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Creator SSGREWAL
 
Subject MINIMAL IRRIGATION, RAINFED GRAIN YIELD.
 
Description Not Available
AN EXPERIEMENT WAS CONDUCTED AT CHANDIGARH FOR 3 SEASONS( 1978-1981) TO EVALUATE THE QUANTITATIVE EFFECTS OF MINIMAL IRRIGATION ON RAINFED GRAM YIELD AND PATTERN OF PROFILE WATER USE. IT WAS OBSERVED THAT GRAM YIELDS COULD BE INCREASED BY 23% WITH 5 cm EACH WHEN APPLIED AT PRE- SOWING AND FLOWERING STAGE. THE MINIMAL IRRIGATION ENCOURAGED DEEP ROOTING WHICH ENSURED OPTIMUM USE OF PROFILE STORED MOISTURE IN DEEPER SOIL LAYERS. WITH ONE AND TWO IRRIGATIONS, THE PROFILE WATER USE INCREASED BY 2.6 AND 3.3 cm WHEN RAINFALL WAS HIGH AND 6.0 AND 7.5 cm WHEN IT WAS LOW. THE PATTERN OF PROFILE WATER USE INDICATED THAT GRAM ROOTS USED WATER FROM ALL THE LAYERS UPTO A DEPTH OF 150cm . SUCH AN EXTRACTION WAS MORE WHEN RAINFALL WAS LOW. MINIMAL IRRIGATION FACILITATED SUCH AN EXTRACTION OF WATER AND HELPED IN STABILISING GRAM YIELD.
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Date 2020-08-13T11:48:05Z
2020-08-13T11:48:05Z
1986-01-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/39523
 
Language English
 
Relation Not Available;
 
Publisher Not Available