Dual inoculation with strains of Bradyrhizobium japonicum and Azospirillum brasilense to improve growth and biological nitrogen fixation of soybean (Glycine max L.)

1997 ◽  
Vol 24 (3) ◽  
pp. 317-322 ◽  
Author(s):  
Y. G. M. Galal
Keyword(s):  
Nitrogen Fixation ◽  
Glycine Max ◽  
Biological Nitrogen Fixation ◽  
Bradyrhizobium Japonicum ◽  
Azospirillum Brasilense ◽  
Glycine Max L ◽  
Dual Inoculation ◽  
Biological Nitrogen

scholarly journals Biological nitrogen fixation and agronomic features of soybean (Glycine max (L.) Merr.) crop under different doses of inoculant

2018 ◽  
Vol 67 (2) ◽  
pp. 297-302 ◽  
Author(s):  
Alessandro Pedrozo ◽  
Nelson João Girelli de Oliveira ◽  
Odair Alberton
Keyword(s):  
Nitrogen Fixation ◽  
Glycine Max ◽  
Biological Nitrogen Fixation ◽  
Bradyrhizobium Japonicum ◽  
Glycine Max L ◽  
Agronomic Features ◽  
Biological Nitrogen ◽  
Different Doses

La soya es uno de los cultivos más importantes del mundo y presenta una gran versatilidad. Este estudio tiene como objetivo investigar el efecto del inoculante Bradyrhizobium japonicum a 0, 600 y 1200 ml ha-1 en cultivo de soya, con y sin 1 L ha-1 calcio (Ca 41%) + 0,4 L ha-1 boro (B 14 %). Las plantas se cultivaron durante 90 días en macetas de plástico con 3 kg de arena y vermiculita (v / v) tratadas en autoclave a 121°C durante 1 h. El experimento se realizó en un diseño completamente aleatorizado con cinco repeticiones en un invernadero. Se evaluaron los parámetros de rendimiento de soja, tales como, peso seco del brote, raíz y total; altura de la planta, nitrógeno en el brote; número y peso seco de los nódulos; índice de clorofila en las hojas; cantidad de mazorcas por planta (NPPL); número de granos por pod (NGP); y número de granos por planta (NGPL). La adición de Ca + B aumentó significativamente NPPL, NGPL y NGP. El NPPL y NGPL se incrementaron significativamente con 600 mL ha-1 del inoculante. La dosis de 600 ml ha-1 del inoculante combinado con Ca + B estimuló significativamente NPPL, NGPL y NGP. Se concluye que la productividad de la soya se incrementó con la adición de 600 mL ha-1 de inoculante, en combinación con Ca y B.

scholarly journals Bradyrhizobium and azospirllum interaction in soybean cultivars (Glycine Max (l.) Merrill) and their effects on productivity

2020 ◽  
Vol 13 (1) ◽  
pp. 60
Author(s):  
T. O. D. Gonzaga ◽  
C. C. Vilar ◽  
A. S. Silva Filho ◽  
V. L. Silva
Keyword(s):  
Nitrogen Fixation ◽  
Glycine Max ◽  
Bradyrhizobium Japonicum ◽  
Azospirillum Brasilense ◽  
Productive Performance ◽  
Diazotrophic Bacteria ◽  
Glycine Max L ◽  
Major Producer ◽  
Growth Promoting ◽  
Biological Nitrogen

Brazil is a major producer of soybeans and a model in the use of biological nitrogen fixation, however, few authors are investigating the use of more than one genus of bacteria acting alone and / or together. An example is the use of the diazotrophic bacteria of the genus Bradyrhizobium and Azospirillum, the latter besides the fixation presents growth promoting function. Thus, the objective of this bibliographic review and to verify the influence on the productive performance Bradyrhizobium japonicum and Azospirillum brasilense, in the soybean crop. 

Improved estimation of biological nitrogen fixation of soybean cultivars (Glycine max L. Merril) using 15N natural abundance technique

2008 ◽  
Vol 45 (2) ◽  
pp. 175-183 ◽  
Author(s):  
P. Houngnandan ◽  
R. G. H. Yemadje ◽  
S. O. Oikeh ◽  
C. F. Djidohokpin ◽  
P. Boeckx ◽  
...  
Keyword(s):  
Nitrogen Fixation ◽  
Glycine Max ◽  
Biological Nitrogen Fixation ◽  
15N Natural Abundance ◽  
Natural Abundance ◽  
Soybean Cultivars ◽  
Glycine Max L ◽  
Biological Nitrogen

13C isotope discrimination correlates with biological nitrogen fixation in soybean (Glycine max (L.) Merrill)

1992 ◽  
Vol 139 (1) ◽  
pp. 145-147 ◽  
Author(s):  
K. S. Kumarasinghe ◽  
C. Kirda ◽  
A. R. A. G. Mohamed ◽  
F. Zapata ◽  
S. K. A. Danso
Keyword(s):  
Nitrogen Fixation ◽  
Glycine Max ◽  
Biological Nitrogen Fixation ◽  
Isotope Discrimination ◽  
13C Isotope ◽  
Glycine Max L ◽  
Biological Nitrogen

scholarly journals Biological nitrogen fixation and urea-N recovery in 'Coastcross-1' pasture treated with Azospirillum brasilense

2020 ◽  
Vol 55 ◽  
Author(s):  
Priscila Flôres Aguirre ◽  
Sandro José Giacomini ◽  
Clair Jorge Olivo ◽  
Vinicius Felipe Bratz ◽  
Maurício Pase Quatrin ◽  
...  
Keyword(s):  
Nitrogen Fixation ◽  
Biological Nitrogen Fixation ◽  
Azospirillum Brasilense ◽  
Dry Matter ◽  
N Fertilizer ◽  
Forage Yield ◽  
N Recovery ◽  
15N Recovery ◽  
Forage Grass ◽  
Biological Nitrogen

Abstract: The objective of this work was to quantify the inoculation effect of Azospirillum brasilense (Ab-V5 and Ab-V6 strains) on the forage yield, biological nitrogen fixation (BNF), and urea-15N recovery of the forage grass 'Coastcross-1'. The experiment was carried out in a 2 (with or without inoculation) × 2 (without N fertilizer and with 100 kg ha-1 N per year as urea) × 7 (cuts) factorial arrangement. The natural 15N abundance method was used to determine BNF; to determine urea-N recovery, 15N-labeled urea was applied in microplots. Forage yield was higher in grasses subjected to inoculation, with 7.4 Mg ha-1 dry matter per year, for the treatment without N fertilizer, and 8.0 Mg ha-1 dry matter per year for the treatment with 100 kg ha-1 N per year, respectively, which shows an additive effect of inoculation and N fertilization. The contribution of BNF was 23.0 and 53.8 kg ha-1 per year for the unfertilized treatment, both in uninoculated and inoculated plants, respectively. Urea-15N recovery was 13.7 and 16.5 kg ha-1 per year for uninoculated and inoculated treatments, respectively, corresponding to 13.7 and 16.5% of the urea-N applied. Inoculation with A. brasilense increases forage yield and the contribution of BNF to grass nutrition with N, as well as urea-N recovery by the forage grass.

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