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동의어 포함

초록보기

This study was conducted to evaluate the weed suppressing effects of two winter cover crops, hairy vetch and rye in foxtail millet and sorghum fields in 2010. Crop growth and development and weed occurrences in the fields were examined to know the efficiency of proposed cropping system. In hairy vetch treated plots, heading of minor cereals occurred early. The heading date was earlier by 1 day and 2 days in sorghum and foxtail millet, respectively. However, rye treatment delayed heading by 12 days and 8 days in sorghum and foxtail millet, respectively. Besides the effect of cover crop on ear emergence of crops, the residues changed growth-related characteristics. Plant height, chlorophyll content and chlorophyll fluorescence of sorghum were increased in hairy vetch treatment by 46.4% 88.7% and 7.9%, respectively. In foxtail millet, the characteristics were also increased by 45.6%, 50.9% and 37.8%, respectively, as compared to control. Yields of sorghum and foxtail millet were increased by 105.1% and 135% as compared to control by hairy vetch treatment, respectively. However, the yields of cereal crops were decreased by rye cover crop treatment, the yields of sorghum and foxtail millet were decreased by 25.8% and 119.1%, respectively. Rye cover crop treatment inhibited crop growth suggesting nitrogen starvation in rye treated plots. In rye treatment, plant height, chlorophyll contents and chlorophyll fluorescence of sorghum were slightly decreased by 7.1%, 10.8% and 10.8%, respectively, as compared to control whereas the inhibitory effects were greater in foxtail millet. Weed occurrences based on weed number in hairy vetch and rye plots were reduced by 27% and 20%, respectively. The smothering effect was weakened or disappeared after heading of crops. Weed number and dry weight in hairy vetch plot were increased by 159% and 55.2%, respectively, as compared to control. The results implied that weed suppressing of cover crops could be reduced drastically after heading of crops.

권호기사

권호기사 목록 테이블로 기사명, 저자명, 페이지, 원문, 기사목차 순으로 되어있습니다.
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참고문헌 (16건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 The effects of cover cropping on yield and weed control of potato in a transitional system 네이버 미소장
2 Cardina, J., 1995. Biological weed management. In: Smith, A. E. (Ed.), Handbook of Weed Management Systems. Marcel Dekker, New York, pp. 279-341. 미소장
3 Competition for nitrogen in an unfertilized intercropping system: The case of an association of grapevine and grass cover in a Mediterranean climate 네이버 미소장
4 Clover as a cover crop for weed suppression in an intercropping design 네이버 미소장
5 Clover as a cover crop for weed suppression in an intercropping design 네이버 미소장
6 Effects of Nitrogen Nutrition on Electron Transport Components and Photosynthesis in Spinach 네이버 미소장
7 Weed Suppression by Annual Legume Cover Crops in No-Tillage Corn 네이버 미소장
8 Kuo, S. & U. M. Sainju. 1997. Winter cover crop effects on soil organic carbon and carbohydrate in soil. Soil Sci. 61: 145-152. 미소장
9 Effect of Cover Crop Mulches on Weed Emergence, Weed Biomass, and Soybean (Glycine max) Development 네이버 미소장
10 Weed populations and pickling cucumber ( Cucumis sativus) yield under summer and winter cover crop systems 네이버 미소장
11 Petersen, J. & A. Rover. 2005. Comparison of sugar beet cropping systems with dead and living mulch using a glyphosateresistant hybrid. J. Agron. Crop Sci. 191: 55-63. 미소장
12 Weed Suppression by Live and Desiccated Hairy Vetch (Vicia villosa) 네이버 미소장
13 Winter cover crops in a vegetable cropping system: Impacts on nitrate leaching, soil water, crop yield, pests and management costs 네이버 미소장
14 Effects of Winter Cover Crop-Minor Cereal Cropping System on Weed Occurrences and Crop Growth 소장
15 김선, 임일빈, 강종국, 이상복, 안설화, 김재덕. 2007. 피복작물 이 논 재배 콩의 잡초 발생 및 수량에 미치는 영향. 한국잡초 학회지. 27: 53-54. 미소장
16 김창호, 김성민, 채제천, 이효원. 1994. 파종기와 예취시기가 답 리작 호밀의 생육 및 건물수량에 미치는 영향. 한국작물학회 지. 39: 431-436. 미소장