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| Titel: |
Effect of Relative Time of <I>Cyperus rotundus</I> Emergence on Fibre Yield and Competitive Ability of Olitorius Jute |
| Auteur: |
S.M. Rezaul Karim M. Saiful Islam A.A. Mamun |
| Verschenen in: |
Journal of agronomy |
| Paginering: | Jaargang 1 (2002) nr. 2 pagina's 66-67 |
| Jaar: |
2002 |
| Inhoud: |
The competitive ability of jute was measured as aggressivity. About 31% fibre yield was reduced due to the competition from the weed when grown together with jute irrespective of time of jute sowing. When the weeds emerged 10 days earlier than the crop, the yield was reduced by 37% and it was reduced by 16% when the weeds emerged 10 days later. The effect on total dry matter of jute was also more or less similar to fibre yield. The weed produced 2.73kg/m<SUp>2</SUp> of total dry matter (above ground + below-ground parts) in early-sown and 2.17kg/m<SUp>2</SUp> in late sown conditions irrespective of time of jute sowing. Weed dry matter was reduced by 35% due to competition with jute. The crop was most aggressive when it was grown early with late-sown weed and was least aggressive when grown as late-emerged crop with early-emerged weeds. The aggressivity of jute was 18% less when the weeds emerged 10 days earlier than early-sown jute and 35% less than late-sown jute. It increased by about 66% when the weeds emerged 10 days later than early-sown jute and by 47% than late-sown jute. |
| Uitgever: |
Asian Network for Scientific Information, Pakistan |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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