Effect of boron application time on yield of wheat, rice and cotton crop in Pakistan
2011
Ahmad, R. (Fauji Fertilizer Company Limited, Lahore (Pakistan)) | Irshad, M. (Fauji Fertilizer Company Limited, Lahore (Pakistan))
Boron (B), one of the essential micronutrients, plays vital role in plant growth. Thirty one field experiments were conducted to evaluate the response of wheat, rice and cotton to B application throughout Pakistan during 2005-08. Boron was applied at 1 kg per ha as Borax decahydrate (11.3% B) at different times along with recommended doses of N, P and K. The results revealed that B application at sowing time to wheat increased significantly the number of tillers per plant (15%), number of grains per spike (11%), 1000-grain weight (7%) and grain yield (10%) over control. Among the treatments, B application at sowing time showed best results followed by B application at 1st irrigation and at booting stage. In rice (coarse), B application before transplanting substantially increased number of tillers per hill (21%), plant height (3%), panicle length (10%), and number of paddy grains per panicle (17%), 1000-grain weight (11%) and paddy yield (31%) over control. Response of fine
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