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Not AvailableVARIOUS COMPONENTS OF HYDROLOGIC CYCLE WERE STUDIED IN CRON CROP GROWN IN WEIGHING TYPE LYSIMETER. CORN, ON AN AVERAGE, HAVING LIFE CYCLE OF 93 DAYS RECEIVED 1256 mm RAINFALL, 3 mm OF DEW AMD 16mm IRRIGATION ( 63 mm) IRRIGATION (63 mm IN ONE YEAR ONLY) ; WHICH YIELDED 789 mm RUNOFF (62%) , 111 mm DEEP PERCOLATION (9%) AND 375 mm (29%) SOIL PROFILE RECHARGE . 385 mm WATER (30%) WAS UTILISED FOR EVAPO- TRANSPIRATION.Not Availabl

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Not AvailableA STUDY WAS CONDUCTED ON SILTY LOAM OF DOON VALLEY TO DEVELOP THE APPROPRIATE CONSERVATION TILLAGE TECHNOLOGY BY THE USE OF DIFFERENT TILLAGE SYSTEMS WITH 0,2 AND 4 t/ha OF WEED MULCH FOR RAINFED WHEAT. IT IS INFERRED THAT DEEP TILLAGE SYSTEM INCREASED MOISTURE CONTENT OF SEED ZONE, REDUCED BULK DENSITY BY 3-8 % AND INCREASED THE INFILTRATION RATE 2-3 FOLDS AS COMPARED TO SHALLOW MINIMUM AND MINIMUM TILLAGE SYSTEMS. DEEP TILLAGE SYSTEMS ALONG WITH 4t/ha OF MULCH APPLICATION PRODUCED MAXIMUM GRAIN YIELDS.Not Availabl

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Not AvailableA WEIGHING TYPE LYSIMETER WAS USED FOR FOUR YEARS (1985-86 TO 1988 -89) TO STUDY THE EVAPOTRANSPIRATION AND OTHER COMPONENTS OF HYDROLOGIC CYCLE OF RAINFED JUVENILE EUCALYPTUS HYBRID. WATER DISPOSITION OF EUCALYPTUS HYBRID REVEALED THAT, ON AN AVERAGE , OUT OF 1618 mm ANNUAL RAINFALL, 1010 mm WAS UTILISED FOR EVAPOTRANSPIRATION BY THE TREE , 395 mm ACCOUNTED FOR RUNOFF , 164 mm FOR SEEPAGE AND THE REMAINING 4.5 mm CONTRIBUTED TOWARDS RECHARGING THE SOIL PROFILE. THE WEEKLY CORRELATIONS BETWEEN EVAPOTRANSPIRATION BY EUCALYPTUS HYBRID AND METEOROLOGICAL PARAMETERS HAVE BEEN DISCUSSED.Not Availabl