** Present Address, Assistant Scientist and Professor, Department of Fruit Culture and Orchsrc, Management, Dr. Y. S. Parmar University of Horticulture and Forestry, Solan-l73230
* Contribution from the Department of Pomology and Fruit Technology, Himachal Pradesh Krish, Vishva Vidyalaya. Palanlpur-176062
Studies were conducted to evaluate the effect of N levels (0, 200 and 400 g tree −1) Coupled With weed control treatments viz weedy check, atrazine (4 kg ha−1), Oxyflourfen (0.3 kg ha−1), diuroli (4>0 kg ha−l), grass (10Cm thick) and black polythene mulch (1000 gauge) on leaf nutrient status of peach trees. The graded levels of N increased leaf N, Fe, Mn, and Cu, while P remained unaffected. However, a marked decrease in K, Co and Mg content cf the leaves was noted with N applicuion. Regardless of N application, all the weed control treatments improved the leaf nutrient status markedly compared to unweeded control. Tha data suggest that 400 gN with grass mulch or diuron at 4 kg ha−1 maintains an optimum nutrient status conducive for optimum growth and productivity of peach trees. No phytotoxicily was observed in any treatment.
