Effect of herbicides, phosphorus and phosphate solubilizers on growth, yield and weed control efficiency of wheast (Triticum aestivum in Central Plateau and Hills zone of India
2004
Jat, A.S., Project Directorate for Cropping Systems Research, Meerut (India | Dacheech, R.C., Maharana Pratap University of Agriculture and Technology, Udaipur (India). Deptl of Agronomy | Ram, B., Project Directorate for Cropping Systems, Meerut (India | Jat, M.L., Maharana Pratap University of Agriculture and Technology, Udaipur (India). Dept. of Agronomy
A field experiment was conducted at Instructional Farm, Rajasthan College of Agriculture, Udaipur (Rajasthan), during 1998-99 and 1999-2000. Pooled analysis of data indicated a significant improvement in wheat (Triticum aestivum L. emend. Fiori paol.) growth (plant height and total tillers/m2), yield attributes (effective tillers/m2, grains/ear), yields, benefit: cost ratio and P uptake was recorded with the herbicides but all were at par with each other. Pendimethalin resulted in highest grain (47.2 q/ha), straw (63.3 q/ha) and biological (110.5 q/ha) yields as well as P uptake (30.4 kg/ha) followed by isoproturon. However, maximum benefit: cost ratio (3.60) was obtained from isoproturon followed by pendimethalin (3.15). Further, weed- control efficiency of all the herbicides did not produce significant variation with each other. P fertilization at 45 kg P Piha significantly enhanced the plant height, total tillers/m2, effective tillers/m2, grains/ear, test weight and yield as well as benefit: cost ratio (3.19) and P uptake (28.6 kg/ha) over 30 kg P Piha. Seed inoculation with phosphate-solubilizing bacteria (PSB) had significantly positive effects on total tillers/m2, effective tillers/m2 and grains/ear as well as yield, benefit: cost ratio (3.18) and P uptake (29.0 kg/ha) by crop compared to no inoculation.
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