Influence of Bradyrhizobium japonicum and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc Zn, Iron Fe, Copper Cu and Manganese MnReportar como inadecuado




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The field and screenhouse experiments were carried out in the 2013 cropping season to assess theeffects of B. japonicum inoculationand phosphorus supplementation on the uptake of micronutrients in the cowpea.The experiment was laid out in a split plot design where the main plotscomprised two inoculation treatments with and without B. japonicum inoculation and sub plots included four differentlevels of phosphorus 0, 20, 40, and 80 kg P-ha. The results showed asignificant improvement in the uptake of micronutrients in the B. japonicum inoculated treatments overthe control. Phosphorus supplementation 40 kg P-ha also showed a significantincrease in the uptake of some micronutrients while decreasing the uptake of Znin some plant organs. There was also a significant interaction between B. japonicum inoculation and phosphorusin the root uptake of Zn for the field experiment.



KEYWORDS

Bioavailability; Legume; P-Micronutrient Interactions; Triple Super Phosphate

Cite this paper

D. Nyoki and P. Ndakidemi -Influence of Bradyrhizobium japonicum and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc Zn, Iron Fe, Copper Cu and Manganese Mn,- American Journal of Plant Sciences, Vol. 5 No. 4, 2014, pp. 427-435. doi: 10.4236-ajps.2014.54056.





Autor: Daniel Nyoki, Patrick A. Ndakidemi

Fuente: http://www.scirp.org/



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