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Not AvailablePRESENTS RESULTS OF A STUDY IN WHICH THE EFFECT OF FOUR RATES OF NITROGEN FERTILIZER ( 0,50, 100 AND 150 kg/ha) WITH AND WITHOUT GREEN MANURING ( LEUCAENA LEUCEPHALA) ON NUTRIENT UPTAKE, FERTILITY BUILD-UP AND WHEAT YIELD WAS INVESTIGATED. LEUCAENA LEAVES ( GREEN LEAVES+TENDER TWIGS) INCORPORATED IN RED SOIL ( PARWA) AS GREEN LEAF MANURING SIGNIFICANTLY RAISED THE YIELD OF BOTH GRAIN AND STRAW. HIGHEST GRAIN PRODUCTION AS RECORDED WHEN GREEN LEAF MANURING ENHANCED THE UPTAKE TO NUTRIENTS( Zn, N AND P) AND NITROGEN USE EFFICIENCY AT DIFFERENT RATES OF N APPLIED. THE STATUS OF ORGANIC CARBON AND AVAILABLE NUTRIENTS ( ZN,N AND P) WAS ALSO INCREASED IN PRESENCE OF GREEN LEAF MANURING. APPLICATION OF 50 kg/ha ( UREA-N) ALONG WITH LEUCAENA LEAVES RESULTED IN HIGHER GRAIN PRODUCTION THAN THAT OBTAINED BY THE APPLICATION OF 150 kg N/ha . THIS CLEARLY INDICATED THAT FOR FERTILIZING WHEAT AS MUCH AS 100 kg OF N /ha COULD BE SUBSITUTED THROUGH LEUCAENA LEAVES.Not Availabl