| Effect of different planting methods on weed group and weed growth and development in corn field |
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| DOI：10.7606/j.issn.1000-7601.2009.04.39 |
| Key Words: cultivation methods weed group growth and development |
| Author Name | Affiliation | | LIU Fang | Agronomy College of Shenyang Agriculture University, Shenyang, Liaoning 110161, China | | YIN Hong | Agronomy College of Shenyang Agriculture University, Shenyang, Liaoning 110161, China | | GUO Fanshun | Wafangdian City People's Government Zhuhua Street Offices, Shenyang, Liaoning 116300， China | | LI Jiandong | Agronomy College of Shenyang Agriculture University, Shenyang, Liaoning 110161, China | | YAN Xuefei | Agronomy College of Shenyang Agriculture University, Shenyang, Liaoning 110161, China | | WANG Guojiao | Agronomy College of Shenyang Agriculture University, Shenyang, Liaoning 110161, China | | WEI Yan | Agronomy College of Shenyang Agriculture University, Shenyang, Liaoning 110161, China |
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| Abstract: |
| Through inter species of corn and alfalfa and corn-species comparison, discussed the impact of grow alfalfa to weed group and weed growth and development in corn fields. The result indicated that, the Echinochloa crusgalli and Polygonum orientale important value were higher in corn-species, were the idominant species, in inter-species of corn and alfalfa field the idominant species were the Polygonum orientale, Echinochloa crusgalli, Chenopodium album, Amaranthus retroflexus L
and Solanum nigrum Linn, Abutilon theophrasti Medic; Various growth stages in corn, inter species of alfalfa the weed biomass was lower than the corn species, most of the time, weed height was lower than the corn species; Inter-species of corn and alfalfa field, compared with the corn-species, ear length, ear rows, row rows, ear weight, grain weight per spike, weight of hundred grains and yield increased by 6.6%,7.6%,2.2%,12.28%,9.9%,7.8%,4.3%. Inter-species of alfalfa can control the number of weeds, inhibit weed biomass increased, increase corn production through of the alfalfa. This study could provide scientific bases for controlling weeds, drought resistance and water retention in corn field applied by exotic green manure plants. |
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