Studies on Integrated Weed Management in Lentil (Lens culinaris)
Growth and yield of lentil crops under different weed management practices
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A field experiment conducted during the winter season of 2012-13 at Tirhut College of Agriculture Farm of RAU, Pusa (Samastipur) to examine the effect of manual, herbicidal and integrated treatments on the weed dynamics, yield and economics of lentil. The experiment was constituted integrated weed management methods as well as chemical and conventional. Weed control treatments significantly influenced various growth parameters, yield attributes and yield of lentil. Hand weeding recorded maximum growth and yield which was significantly superior over remaining treatments. The prominent weeds wer...
A field experiment conducted during the winter season of 2012-13 at Tirhut College of Agriculture Farm of RAU, Pusa (Samastipur) to examine the effect of manual, herbicidal and integrated treatments on the weed dynamics, yield and economics of lentil. The experiment was constituted integrated weed management methods as well as chemical and conventional. Weed control treatments significantly influenced various growth parameters, yield attributes and yield of lentil. Hand weeding recorded maximum growth and yield which was significantly superior over remaining treatments. The prominent weeds were Anagallis arvensis, Cannabis sativa, Cyperus rotundus, Cynodon dactylon, Chenopodium album and Parthenium hysterophorus; and these weeds together constituted 63.4 per cent of the total weed population in research field. All the weed control treatments reduced the weed population and dry matter of weeds significantly over weedy check. The pre-emergence herbicides were proved more effective than post-emergence and pre-plant incorporated herbicides. Returns were significantly higher under hand weeding, however, the B:C ratio was highest under pendimethalin + imazethapyr 1.00 kg/ha as PE.
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