Important Limiting Factors in Soil for the Rhizobium-Legume Symbiosis

Freire, J. R. Jardim

doi:10.1007/978-1-4613-2747-9_3

Cited by 19 publications

(12 citation statements)

References 7 publications

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“…P is a limiting nutritional factor affecting the process of biological nitrogen fixation in peanut-rhizobiasymbiosis (Freire 1984). In plants, the concentration of P varies with age and organ.…”

Section: Introductionmentioning

confidence: 99%

Beneficial effects of native phosphate solubilizing bacteria on peanut (Arachis hypogaea L) growth and phosphorus acquisition

et al. 2015

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Section: Introductionmentioning

confidence: 99%

Beneficial effects of native phosphate solubilizing bacteria on peanut (Arachis hypogaea L) growth and phosphorus acquisition

et al. 2015

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“…Moreover, phosphorus plays an important role in biological nitrogen fixation. For the symbiotic fixation of nitrogen to occur, the roots have to interact with compatible rhizobia in the soil and factors that affect root growth or the activity of the host plant would affect nodulation [7]. Bacterial growth, nodule formation, and the biological nitrogen fixation activity itself are processes that are dependent on the energy supplied from the sugars that need to be transacted down ward from the host plant shoots.…”

Section: Introductionmentioning

confidence: 99%

Effect of Different Phosphorus Fertilizer Rates on Growth, Dry Matter Yield and Yield Components of Common Bean (<i>Phaseolus vulgaris</i> L.)

Turuko¹,

Mohammed²

2014

WJAR

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Common bean (Phaseolus vulgaris L.) is an important cash crop and protein source for farmers in many parts of Ethiopia. However, its production is limited by phosphorus fertilizer. Therefore, field experiment was conducted at the Arba Minch farm field the main rain season of 2011 to investigate the responses of common bean to different levels of phosphorus fertilizer and its effect on growth, dry matter yield and yield component of the crop. Five phosphorus rates (0, 10, 20, 30 and 40kg ha -1 ) were used as treatments. Red Wolaita common bean variety was used as planting material. Recommended rate of N (60 kg/ha) was applied to all treatments. The experiment was laid out in a randomized complete block design with three replications. The effect of phosphorus was significantly increased dry matter yield, yield components and growth parameters such as leaf area and number of branches per plant, whereas its effect was not significant on plant height. Based on result obtained, application of 20P kgha -1 is recommended for better production of common bean at Arba Minch and similar areas which have the same soil property.

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“…Just as an increase in the phosphorus supply to lakes results in a predictable increase in the biomass of previously rare dinitrogen-fixing planktonic cyanobacteria (Schindler 1977;Flett et al 1980;Smith 198.5) the addition of phosphorus fertilizer to terrestrial ecosystems can lead to the appearance of dense populations of native legumes that were formerly uncommon (Oilman 1982;Friere 1984). Similarly, nitrogen-poor but phosphorus-rich volcanic soils can be successfully invaded by exotic dinitrogenfixing trees (Myricu fuyu: cf.…”

Section: Introductionmentioning

confidence: 99%

Effects of nitrogen: phosphorus supply ratios on nitrogen fixation in agricultural and pastoral ecosystems

Smith

1992

Biogeochemistry

114

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Abstract. An analysis of data compiled from the literature confirms a strong inverse relationship between annual rates of nitrogen fixation and the soil nitrogen content in agricultural and pastoral ecosystems. However, this inverse relationship is strongly modified by the rate of application of phosphorus fertilizer, which strongly influences the activities of both symbiotic and non-symbiotic nitrogen fixing organisms. In the case of symbiotic legumes, the response of N-fixation to N and P is in part a result of changes in legume dominance within the plant community. These results, as well as supporting data presented from a review of experiments on nitrogen fixation in a variety of other terrestrial and aquatic ecosystems, provide important support for the hypothesis that phosphorus availability is a key regulator of nitrogen biogeochemistry.

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Important Limiting Factors in Soil for the Rhizobium-Legume Symbiosis

Cited by 19 publications

References 7 publications

Beneficial effects of native phosphate solubilizing bacteria on peanut (Arachis hypogaea L) growth and phosphorus acquisition

Beneficial effects of native phosphate solubilizing bacteria on peanut (Arachis hypogaea L) growth and phosphorus acquisition

Effect of Different Phosphorus Fertilizer Rates on Growth, Dry Matter Yield and Yield Components of Common Bean (<i>Phaseolus vulgaris</i> L.)

Effects of nitrogen: phosphorus supply ratios on nitrogen fixation in agricultural and pastoral ecosystems

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