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STUDIES ON RUNOFF SOIL LOSS AND PRODUCTIVITY OF A SMALL AGRICULTURAL WATERSHED.

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Title STUDIES ON RUNOFF SOIL LOSS AND PRODUCTIVITY OF A SMALL AGRICULTURAL WATERSHED.
Not Available
 
Creator SP MITTAL
SS GREWAL
Y AGNIHOTRI
SKN DYAL
AD SUD
 
Subject STUDY, RUNOFF, SOIL LOSS, PRODUCTIVITY, SMALL AGRICULTURAL WATERSHED
 
Description Not Available
A STUDY WAS CONDUCTED FOR 6 YEARS ( 1981-86) TO ASSESS THE CHANGES IN RUNOFF , SOIL LOSS AND PRODUCTIVITY OF A SMALL AGRICULTURAL WATERSHED ( 1.48 ha ) AS INFLUENCED BY SOIL AND WATER CONSERVATION MEASURES, PROPER LAND USE PATTERN AND IMPROVED AGRONOMIC PRACTICES. THE WATERSHED WAS DEVELOPED INTO FIVE TERRACES BY LAND LEVELLING (1% SLOPE) , FIELD BUNDING, AND MAKING ARRANGEMENTS FOR PROPER DISPOSAL OF RUNOFF WATER. AGRICULTURAL CROPS WERE RAISED IN THREE LOWER TERRACES AND LEUCAENA LEUCOCEPHALA FOR FODDER AND FUEL AND EUCALYPTUS HYBRID FOR FUEL IN UPPER TWO TERRACES. THE MONSOON RAINFALL VARIED BETWEEN 0.48 AND 0.78 m. THE MEAN RUNOFF RECORDED WAS 24.9% (0.14 ha m) AND SOIL LOSS 2.488 t/ha . THERE WAS CONSISTENT DECREASE IN PEAK DISCHARGE. THERE IS POSSIBILITY OF COLLECTING 0.14 ha m RUNOFF WATER IN DUGOUT FARM POND FOR SUPPLEMENTAL IRRIGATION IN THE DONOR WATERSHED. MEAN YIELD OBTAINED WERE MAIZE 1.19 mg/ha , PULSES 0.37 mg/ha AND SORGHUM FODDER ( AIRDRY) 7.45 mg/ha UNDER RAINFED CONDITION. LEUCAENA PRODUCED ON AN AVERAGE 7.4 mg/ha AIRDRY FODDER AND 9.4 MG/HA AND FUEL WOOD 18.06 mg/ha WHEN HARVESTED ANNUALLY. EUCALYPTUS HARVESTED AFTER A THREE YEAR ROTATION PRODUCED 47.76 mg/ha OF AIRDRY FUEL WOOD. THE NET RETURNS FROM THE SYSTEM WERE RS 2769/ha WITH B:C OF 1.9.
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Date 2020-11-02T04:44:27Z
2020-11-02T04:44:27Z
1988-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/42171
 
Language English
 
Relation Not Available;
 
Publisher Not Available