تلخیص
A total of 25 (10, 12 & 3) replicated field experiments were conducted in central, rice & cotton zones of the Punjab province during 1999 - 2002 and during 2000 - 2002 in cotton zone respectively to evaluate wheat response to copper application. Copper was applied @ 1, 2, 3, 4 & 5 kg ha4 alogwith N.PK. In central zone wheat yield enhanced significantly with the application of Cu @ 4 kg he over NPK + 1 kg Cu ha"' with VCR (4.6) and GNR (73.5). In rice zone of the Punjab wheat yield increased signiricantly with Cu application @ 1 kg ha-1 over NPK with VCR (18.5) and GNI? (296.0). trt cotton zone of the Punjab the wheat yield remained non-significant but positive with Cu application @ 1 kg ha'' alongwith NPK with VCR (4.8) and GNR (77.0).
S.JA. Sherazi, J. 104 K. I1. Gill, S.M. Mian, M. Ramzan, M.K.Shaheen , I. Ali . (2003) WHEAT RESPONSE TO COPPER APPLICATION IN VARIOUS ZONES OF THE PUNJAB , The Journal Soil & Environment , Volume 22, Issue 4.
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