Influence of residue and weed management practices on no-till wheat (Triticum aestvium L.) under rice-wheat cropping system
DOI:
https://doi.org/10.53550/Keywords:
Economics, Residue management, Weeds control, Wheat, Zero tillageAbstract
A field experiment was conducted during 2005-2006 and 2006-07 at Varanasi to evaluate the effect of rice residue (R -residue removal, R -residue retention, R -residue 1 2 3 retention with Trichoderma application and weed management practices (W - 1- Control, W - Hand weeding at 30 and 45 days after sowing (DAS), W - Isoproturon 2 3 -1 -1 -1 +2,4-D (1.0+0.5 kg ha ) at 30 DAS, W - Fenoxaprop 120 g ha fb Metsulfuron 4 g ha 4 on growth, yield attributes and yield of wheat (Triticum aestvium L.). The rice residue retention with Trichoderma application produced significantly higher crop growth, -1 yield attributes, grain (3321 and 3617 kg ha ) and straw yield as compared to residue -1 -1 retention alone (3264 and 3681 kg ha ) and residue removal (3069 and 3386 kg ha ). Among the weed management options, application of fenoxaprop fb metsulfuron -1 (120 + 4 g ha ) gave significantly higher weed control efficiency (WCE) (74.19 and -1 75.07 %) and grain (3355 and 3722 kg ha ) and straw yields compared to isoproturon -1 +2,4-D (1.0+0.5 kg ha ). Residue retention with Trichoderma application also registered the highest nitrogen uptake by wheat.
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