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Egyptian Journal of Agricultural Research
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MEKKY, M., NASSAR, A., MOSHTOHRY, M. (2007). EFFECT OF TILLAGE SYSTEMS SEQUENCE AND SOME WEED CONTROL TREATMENTS ON SOME FIELD CROPS. Egyptian Journal of Agricultural Research, 85(4), 1463-1482. doi: 10.21608/ejar.2007.228056
MOHAMED SH. MEKKY; AKRAM N. M. NASSAR; MOHAMED R. MOSHTOHRY. "EFFECT OF TILLAGE SYSTEMS SEQUENCE AND SOME WEED CONTROL TREATMENTS ON SOME FIELD CROPS". Egyptian Journal of Agricultural Research, 85, 4, 2007, 1463-1482. doi: 10.21608/ejar.2007.228056
MEKKY, M., NASSAR, A., MOSHTOHRY, M. (2007). 'EFFECT OF TILLAGE SYSTEMS SEQUENCE AND SOME WEED CONTROL TREATMENTS ON SOME FIELD CROPS', Egyptian Journal of Agricultural Research, 85(4), pp. 1463-1482. doi: 10.21608/ejar.2007.228056
MEKKY, M., NASSAR, A., MOSHTOHRY, M. EFFECT OF TILLAGE SYSTEMS SEQUENCE AND SOME WEED CONTROL TREATMENTS ON SOME FIELD CROPS. Egyptian Journal of Agricultural Research, 2007; 85(4): 1463-1482. doi: 10.21608/ejar.2007.228056

EFFECT OF TILLAGE SYSTEMS SEQUENCE AND SOME WEED CONTROL TREATMENTS ON SOME FIELD CROPS

Article 26, Volume 85, Issue 4, December 2007, Page 1463-1482  XML PDF (4.94 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2007.228056
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Authors
MOHAMED SH. MEKKY; AKRAM N. M. NASSAR; MOHAMED R. MOSHTOHRY
Weed Research Central Laboratory, Agricultural Research Center, Giza, Egypt
Abstract
Two field experiments were conducted in clay soil at Sids Agricultural Research Station to assess the role of tillage and weed control treatments on weed management through 2-year crop rotation in the period from 2003 to 2006. The first experiment was conducted to study the effect of three tillage systems i.e. to use mouldboard followed by rotary plow, Ciao! plow three passes followed by rotary plow and chisel plow two passes where these treatments were applied repeatedly every season through four summer and winter seasons in the same plot of every treatment three sub plots weed control treatments (pendimethaln, hand-hoeing and weedy died0 were distributed to study their effects on weeds and productivity of the different in the rotation. Results showed that increasing tillage by combining mouldboard or chisel plowing with rotary plowing deceased the total weeds biomass/ma by 29.2 and 38.5% and Increased seed yield of lobe bean by 12.7and 10.3% than chisel plowing only in 2003/04 season and the (emotive values during 2004/05 season were 38.2 and 32.8% for weed biomass reduction and 25.8 and 3.2% for seed yield. Similar trends were obtained with the effect of tillage systems o. vieds and yield of both maize and soybean. On the other hand, repeating tillage operations seasonally in faba bean decreased total weed blomass/ma by 34.0, 17.6 and 24.5% in the third season compared to the first season with mouldboard rotary, chisel with rotary and chisel only in the same respective order. Pendimethalin or hand hoeing resulted in a significant decrease in the total weeds of all studied crops accompanied with significant increases in their yields. The second experiment was conducted to evaluate the effect of tillage systems on the control of =bandit management in faba bean. Similar trends were obtained emphasizing that increasing tillage operation by combining mouldboard rotary plowing or chisel plowing with rotary plowing succeeded in reducing orobanche biomass/ma by 23.3 and 18.2% in 2003/04 season and by 41.4 and 33.4% In second season compared to chisel plowing only and causing increases ranged from the 4.0 to 20.2% of faba bean yield. Imazapic or hand weeding show also significant control of orobanche accompanied with significant increases in faba bean yield productivity. The role of tillage on controlling weeds may be attributed to the role of rotary or mould plowing in burying great proportion of weed seeds induding orobanche to depths preventing germination of such seeds. The effect of various possible integration between both tillage and weed control methods were discussed emphasizing the importance of this integration on weed management tactics in studied cops. Other effects of studied factors on weeds or yield components were also recorded.
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