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| Titel: |
Nodulation Effectivity, N-Accumulation and Yield of Soybean (Glycine max) in a Clayloam Soil Treated with Pre- and Post-Emergence Herbicides |
| Auteur: |
Anikwe, MAN. Okonkwo, CI. Mbah, CN. |
| Verschenen in: |
Tropicultura |
| Paginering: | Jaargang 21 (2003) nr. 1 pagina's 22-27 |
| Jaar: |
2003 |
| Inhoud: |
Introduction of exogenous micro-organisms in the rhizosphere of crop plants for plant growth enhancement requires a careful study of factors affecting their performance. We studied the effect of pre-and post-emergence herbicides on nodulation, N-accumulation and yield of soybean inoculated with exotic Rhizobium strains in a Dystric Leptosol. The treatments comprising a control with no herbicide treatment, a pre-emergence herbicide treatment and a combination of preand post-emergence herbicide treatment were set out in the field using a randomized complete block design. The results show that both post-emergence and a combination of pre- and post-emergence herbicide treatments applied at 3 weeks after planting reduced nodulation, shoot dry weight, N-accumulation in the biomass and seed yield. Pre-emergence herbicide application reduced weed density and sparingly affected nodule dry weight, N-accumulation and seed yield. The results of the work suggest that selection and timing of herbicide application in soybean plots affect weed competition, nodulation, N-accumulation and overall performance of the crop in the field. |
| Uitgever: |
Agri-overseas (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 11 gevonden artikelen
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