Studies on production technology of turmeric curcuma longa l

Abstract

Field experiments were conducted for two seasons during kharif 2003 and 2004 in newlinethe Olericulture Unit, Department of Horticulture, University of Agricultural Sciences, newlineDharwad, to evaluate the organic manures, intercrops and weed management practices in newlineturmeric production. newlineAmong the different organic manures, application of vermicompost (at 15.65 t/ha) newlinewas found superior for all the growth and yield parameters. Application of vermicompost newlineresulted in the highest fresh rhizome yield (33.62 t/ha), cured rhizome yield (6.74 t/ha) and newlinewas closely followed by the application of pressmud (at 15 t/ha). Application of pressmud (at newline15 t/ha) realized the maximum B:C ratio (2.71:1) followed by the application of poultry manure newline(at 6.43 t/ha) (2.60:1) and vermicompost (at 15.65 t/ha) (2.31:1). newlineAmong the different intercropping systems, sole crop of turmeric was found newlinesignificantly superior for all the growth and yield parameters, fresh rhizome yield (23.46 t/ha) newlineand cured rhizome yield (4.40 t/ha). Growing of okra as an intercrop has significant influence newlineon all the growth and yield parameters of turmeric and it has realized maximum fresh rhizome newlineyield (20.38 t/ha) and cured rhizome yield (3.95 t/ha). Turmeric+tomato cropping system was newlinerealized maximum B:C ratio (2.66:1) followed by turmeric + french bean (2.53:1) and turmeric newline+ okra (2.22:1). While, sole cropping of turmeric realized the B:C ratio of 2.18:1. newlineAmong the different weed control treatments, weed free control (hand weeding) newlinerecorded significantly highest weed control efficiency (100%), fresh rhizome yield (26.27 t/ha), newlinecured rhizome yield (5.59 t/ha) and B:C ratio (2.74:1). Among the herbicides, chlorimuron (at newline9.0 g a.i./ha) was highly toxic to turmeric crop and application of pendimethalin showed the newlinemaximum weed control efficiency (76.24%) recorded significantly higher fresh rhizome yield newline(26.67 t/ha), cured rhizome yield (5.59 t/ha) and B:C ratio (2.39:1) followed by application of newlinechlomazone (at 1.0 kg a.i./ha). newline