Soil Populations of Rhizobium japonicum in a Cotton-Corn-Soybean Rotation

Hiltbold, A. E.; Patterson, R. M.; Reed, R. Bruce

doi:10.2136/sssaj1985.03615995004900020014x

Cited by 19 publications

(9 citation statements)

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“…Low soil pH is known to negatively affect the size of the native rhizobial population (Barber, 1980;Lindstrom et al, 1985;Brockwell et al, 1991;Evans et al, 1993;Nazih et al, 1993) as well as the survival and persistence of inoculant strains (Hiltbold et al, 1985;Carter et al, 1995). A combination of a pH shock with transfer from a rich to a minimal medium, which simulates the situation of inoculants applied to acid soils, resulted in total cell death in the case of R. meliloti (Clarke et a]., 1993).…”

Section: A Soil Aciditymentioning

confidence: 99%

Factors Influencing Nodule Occupancy by Inoculant Rhizobia

Vlassak

Vanderleyden

1997

Critical Reviews in Plant Sciences

115

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Section: A Soil Aciditymentioning

confidence: 99%

Factors Influencing Nodule Occupancy by Inoculant Rhizobia

Vlassak

Vanderleyden

1997

Critical Reviews in Plant Sciences

115

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“…However, high nutrient supply, especially N, in the latter treatments may have had a depressive effect on nodule size. The enhancement of the amounts of N 2 fixed in the treatments that received garbage compost and cowdung may be attributed to increased dry matter yields and the supply of secondary nutrients like P, K, and Ca which are known to favour rhizobial growth (Hiltbold et al, 1985). The depression in amounts of N 2 fixed especially at the second and the third rates of cornstover addition may partly be due to N immobilization and the fact that it contains complex organic substrates which are not readily metabolized by soil microorganisms.…”

Section: Nodule Numbers and N 2 Fixedmentioning

confidence: 99%

Effect of organic amendments on nodulation and nitrogen fixation by cowpea

Olayinka

Adetunji

Adebayo

1998

Journal of Plant Nutrition

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Cornstover, garbage compost, and cowdung were added to an Alfisol (Iwo series) at the rates of 0, 23, 69, and 115 Mg ha -1 and incubated for 4 weeks in the greenhouse prior to sowing cowpea [Vigna unguiculata (L.) var. Ife Brown]. Two successive plantings were made per pot. Harvesting of the plants was at onset of flowering, 42 days after planting. Nitrogen (N) fixed was assessed using the N 2 difference method. Soil reaction (pH), organic carbon (C), and tissue N contents were increased by all the organic amendments. At both harvests, dry matter yields were significantly enhanced by garbage compost and cowdung. While garbage compost and cowdung increased the amounts of N 2 fixed, the efficiency of N 2 fixation was higher in the cornstover treatments. The cornstover additions also significantly increased nodule size and number. These results suggest that organic amendments would benefit N 2 fixation especially in soils low in indigenous organic matter. The beneficial effects were in the order: cowdung > garbage compost > cornstover. To enhance N 2 fixation in cowpea, a rate of 23 Mg ha -1 of these organic amendments is suggested. 2455

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“…Previous studies have shown that inoculation of soya bean with the strain G49 used in France often produced unsuccessful nodulation in highly calcareous soil (Merrien, 1989;Pinochet et al, 1994). Soil pH has received much attention, and it has been reported to affect rhizobial survival (Hiltbold et al, 1985). However, the detrimental effects occurred in soils with pH below 5.…”

Section: Effects Of Soil Propertiesmentioning

confidence: 99%

Influence of soil properties and soya bean cropping history on the Bradyrhizobium japonicum population in some French soils

Revellin

Pinochet

Beauclair

et al. 1996

European J Soil Science

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As French soils are naturally free of Bradyrhizobium japonicum, soya beans planted into new areas must be inoculated with this bacterium. Although, the B. japonicurn inoculum can survive in soils for long periods of time even in the absence of a soya bean crop, re-inoculation may increase nodulation and grain yield. Thus, populations of B. japonicum can fall below optimum for plant growth. To identify the soil properties controlling survival of the inoculated bacteria samples of soil were collected from 52 sites from France that had previously grown soya beans. The samples were analysed for some physical and chemical characteristics and the B. japonicum population counted. The soil's CaC03 content was the main factor affecting survival. The average B. japonicum numbers (per g soil) were 80 for calcareous soils and 15 000 for non-calcareous soils. In the latter, silt and sand contents were correlated with the numbers of B. japonicum. The cropping frequency of soya bean and the time since the crop was last grown were other factors affecting Bradyrhizobium populations. Thus, there is a probability of enhancing economic benefit for farmers with re-inoculation of soya bean in calcareous and sandy soils. Influence des propriCt6s du sol et de I'historique de la culture du soja sur la population de Bradyrhizobium japonicum dans des sols franqais RCsumCLes sols fraqais Ctant naturellement dCpourvus de Bradyrhizobiurn japonicum, une premikre culture de soja doit &tre inoculCe avec cette bactCrie. Ensuite B. juponicum peut survivre pendant de nombreuses anntes m&me en l'absence de la plante h6te. Cependant, la rbinoculation a parfois permis d'augmenter la nodulation et le rendement. Dans ces sols, le contenu en B. japonicum est donc insuffisant pour permettre une culture optimale. Pour identifier les caractkristiques des sols qui influencent la survie de B. japonicum, 52 Cchantillons de sols ont Ct C prClevCs dans des exploitations agricoles. Les caractkristiques physico-chimiques et le nombre de B. japonicurn prCsent ont Ct C dCterminCs. Le principal facteur impliquC dans la survie de B. japonicum est la teneur du sol en CaC03. Le nombre moyen de B. japonicum est de 80 g-' de sol contenant du calcaire et 15 000 g-' pour ceux n'en contenant pas. Dans ces derniers, ce nombre est corrClC A la teneur en limons et en sable. Deux autres facteurs sont importants: le nombre de cultures de soja dam la rotation et le nombre d'annCes depuis le dernier soja. Aussi, la probabilitk d'augmenter le bCn6fice des agriculteurs par la rkinoculation des cultures de soja dans les sols calcaires et sableux existe.

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Soil Populations of Rhizobium japonicum in a Cotton-Corn-Soybean Rotation

Cited by 19 publications

References 0 publications

Factors Influencing Nodule Occupancy by Inoculant Rhizobia

Factors Influencing Nodule Occupancy by Inoculant Rhizobia

Effect of organic amendments on nodulation and nitrogen fixation by cowpea

Influence of soil properties and soya bean cropping history on the Bradyrhizobium japonicum population in some French soils

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