Effects of Rhizobium inoculum compared with mineral nitrogen fertilizer on nodulation and seed yield of common bean. A meta-analysis

Sousa, Westefann dos Santos; Soratto, Rogério Peres; Peixoto, Devison Souza; Campos, Thiago Souza; Silva, Maryelle Barros da; Souza, Ane Gabriele Vaz; Teixeira, Itamar Rosa; Gitari, Harun I.

doi:10.1007/s13593-022-00784-6

Cited by 31 publications

(19 citation statements)

References 91 publications

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“…This fixation takes place during vital periods of plant growth and development, supporting the development of stable and environmentally-sustained crops (Wang et al 2018;Khatun et al 2021). Such biological fixation represents a natural source of nitrogen for plants that does not threaten the state of ecological processes in the environment (Raza et al 2019;Sousa et al 2022). Therefore, the development of effective leguminous-rhizobial symbiotic systems with active strains of nodule bacteria can play an important role in increasing the efficiency of environmental nitrogen fixation by plants while also building their tolerance to the effects of climate change.…”

Section: Introductionmentioning

confidence: 99%

WITHDRAWN: The protective action of antioxidant and nitrogen fixation systems in soybean–Bradyrhizobium symbiosis under varying water conditions

Nyzhnyk,

Kiedrzyński,

Kiedrzyńska

et al. 2023

Preprint

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Background and Aims Legumes can be supplied with environmental nitrogen and protected against climate change by the formation of effective symbiotic relationships with nodule bacteria. To create effective stress-resistant symbiotic systems with optimal nitrogen fixation potential and high tolerance to water stress, it is important to understand the roles of key pro-oxidant and antioxidant systems in the response to different water supplies. Methods Various symbiotic systems of soybean with Bradyrhizobium strains, differing in activity and virulence, were subjected to microbiological, biochemical and physiological testing. Results While antioxidant enzyme activity generally increased with length of water stress, it varied according to the enzyme complex and symbiotic system. Soybeans inoculated with effective rhizobia strains demonstrated effective regeneration after stress, with enzyme levels quickly recovering to control levels. All systems exhibited lipid peroxidation activation as a universal reaction to water deficit; however, the intensity varied with the level of antioxidant protection in the symbiosis. The less-effective and non-effective systems had less antioxidant protection, and thus high hydrogen peroxide and lipid peroxidation levels. The effective symbiotic systems exhibited minimal differences in nodulation between control and stressed plants, and efficient nitrogen fixation after re-watering. Conclusions The soybean-rhizobial systems that effectively used key antioxidant enzymes to regulate oxidative processes were able to more effectively maintain their optimal prooxidant-antioxidant balance and better tolerate poor water supply. However, the coordinated participation of both the macrosymbiont and microsymbiont was needed to maximize nitrogen fixation and support their protective mechanisms in conditions of water stress.

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Section: Introductionmentioning

confidence: 99%

WITHDRAWN: The protective action of antioxidant and nitrogen fixation systems in soybean–Bradyrhizobium symbiosis under varying water conditions

Nyzhnyk,

Kiedrzyński,

Kiedrzyńska

et al. 2023

Preprint

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“…Nitrate application enhanced the plant's height probably since it was readily available for uptake compared to urea. Timely plants' N-nutrition promote rapid cell elongation, division, and differentiation in plants as observed by previous scholars (Chandler, 2015;Ochieng' et al, 2021;Sousa et al, 2022;Zhao et al, 2023). In the present study, the application of nitrogen recorded a significant difference in plant height from those of the control with increasing levels and spike heights registered at mid-N level (50 kg N ha -1 ).…”

Section: Discussion Discussion Discussionsupporting

confidence: 59%

Increasing rainwater use efficiency, gross return, and grain protein of rain-fed maize under nitrate and urea nitrogen forms

OCHIENG’,

RANJAN,

SELEIMAN

et al. 2023

Not Bot Horti Agrobo

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The soil's capability to adjust and mitigate the effects of water shortage due to climate change is limited in some regions such those that suffer from the low rainfall rates. This experimental field study aimed to assess the effects of two inorganic nitrogen forms on maize performance (i.e., growth, yield, grain protein content, and gross returns) and rainwater use efficiency (RUE). Treatments comprised three replicates of synthetic nitrogen forms (i.e., urea and nitrate) that were located in the main plots with four levels that were assigned to the subplots (i.e., 0, 25, 50, and 100 kg N ha-1). Nitrate application resulted in a higher plant height (62 cm) at the vegetative phase with superior values (11.6%) recorded in grain protein than those obtained from other treatments. In addition, the highest grain yield was obtained in nitrate-treated plots in comparison to other N application forms. The leaf area index registered optimal values when 50 kg N ha-1 was applied. On the application of two nitrogen forms, nitrate resulted in a higher RUE (2.1-3.4 kg ha-1 mm-1) than that obtained from maize treated with urea (1.3-1.9 kg ha-1 mm-1). This translated to a 123-234% increase in RUE over the control (N0), which is the key smallholder farmers’ practice. It is recommended that producing maize using nitrate nitrogen at 50 kg N ha-1 as opposed to urea can increase yield stability, and rain use efficiency with higher gross returns in water-scarce agro-ecologies in SSA.

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“…However, the rhizobium strains CIAT 899 and PVTN21 enhanced nodulation only when the mineral-N supply was restricted. The suppression of root nodulation by rhizobia under standard quantities of mineral-N application has been reported previously by several researchers, including Rebeschini et al [ 39 ], Głodowska et al [ 40 ] and Souza et al [ 16 ]. Irrespective of the level of N input, the native strain PVTN21 enhanced nodulation to a greater extent than the commercial rhizobia strain CIAT 899, the effectiveness of which weakened as cultivation progressed.…”

Section: Discussionmentioning

confidence: 55%

“…grains or green pods are a rich source of plant protein, essential minerals, carbohydrates, fibres and several bioactive compounds [ 11 , 12 , 13 ]. In addition to their high nutritional value, the high adaptability of this crop species to different edaphoclimatic conditions [ 14 ], its capability of utilizing atmospheric N, and short growth-cycle compared to other legumes [ 15 ], render the common bean as the most popular legume for human consumption, with high socioeconomic value, especially for the developing countries [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

Hydroponic Common-Bean Performance under Reduced N-Supply Level and Rhizobia Application

Karavidas

Ntatsi

Ntanasi

et al. 2023

Plants

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This study aims to explore the possibility of a reduced application of inorganic nitrogen (N) fertiliser on the yield, yield qualities, and biological nitrogen fixation (BNF) of the hydroponic common bean (Phaseolus vulgaris L.), without compromising plant performance, by utilizing the inherent ability of this plant to symbiotically fix N2. Until the flowering stage, plants were supplied with a nutrient solution containing N-concentrations of either a, 100%, conventional standard-practice, 13.8 mM; b, 75% of the standard, 10.35 mM; or c, 50% of the standard, 6.9 mM. During the subsequent reproductive stage, inorganic-N treatments b and c were decreased to 25% of the standard, and the standard (100% level) N-application was not altered. The three different inorganic-N supply treatments were combined with two different rhizobia strains, and a control (no-inoculation) treatment, in a two-factorial experiment. The rhizobia strains applied were either the indigenous strain Rhizobium sophoriradicis PVTN21 or the commercially supplied Rhizobium tropici CIAT 899. Results showed that the 50–25% mineral-N application regime led to significant increases in nodulation, BNF, and fresh-pod yield, compared to the other treatment, with a reduced inorganic-N supply. On the other hand, the 75–25% mineral-N regime applied during the vegetative stage restricted nodulation and BNF, thus incurring significant yield losses. Both rhizobia strains stimulated nodulation and BNF. However, the BNF capacity they facilitated was suppressed as the inorganic-N input increased. In addition, strain PVTN21 was superior to CIAT 899—as 50–25% N-treated plants inoculated with the former showed a yield loss of 11%, compared to the 100%-N-treated plants. In conclusion, N-use efficiency optimises BNF, reduces mineral-N-input dependency, and therefore may reduce any consequential negative environmental consequences of mineral-N over-application.

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Effects of Rhizobium inoculum compared with mineral nitrogen fertilizer on nodulation and seed yield of common bean. A meta-analysis

Cited by 31 publications

References 91 publications

WITHDRAWN: The protective action of antioxidant and nitrogen fixation systems in soybean–Bradyrhizobium symbiosis under varying water conditions

WITHDRAWN: The protective action of antioxidant and nitrogen fixation systems in soybean–Bradyrhizobium symbiosis under varying water conditions

Increasing rainwater use efficiency, gross return, and grain protein of rain-fed maize under nitrate and urea nitrogen forms

Hydroponic Common-Bean Performance under Reduced N-Supply Level and Rhizobia Application

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