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Interactive effects of organic acids in the rhizosphere
Soil Biology and Biochemistry, 2009Organic acids released into the rhizosphere may perform many beneficial functions to the plant including metal detoxification and enhancement of nutrient acquisition. Typically, these organic acids are studied in isolation; however, roots simultaneously exude a cocktail of organic acids and other substances, and their combined impact on rhizosphere ...
Eva Oburger +4 more
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Sludge Effect on Soil and Rhizosphere Biological Activities
1983Sewage sludge is a very valuable fertilizer and soil amendement material, since it contents N, P, organic matter and all the other constituents (as microelements, microbial metabolites, growth regulator substances, etc.). On the other hand, sludge, especially that from industrial areas, may often contain high concentrations of toxics such as heavy ...
Tomati U, Grappelli A, Galli E
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Root exudates in relation to the rhizosphere-effect
Proceedings / Indian Academy of Sciences, 1957Chromatographic study of the root exudates ofSorghum vulgare, var.dochna (Sorghum) andBrassica juncea (Mustard) revealed the presence of several organic acids and sugars in them. Although tartaric and oxalic acids,d-xylose andd-fructose were common to both, mustard had malic and citric acids,d-glucose and maltose in addition.
K. Bhuvaneswari, N. S. Subba-Rao
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Rhizosphere can enhance effectiveness of rhizobia
Communications in Soil Science and Plant Analysis, 2001Annual legumes are usually inoculated with rhizobia annually to ensure high nodulation, nitrogen fixation and crop yields. To assess the potential of establishing a highly effective population of soil rhizobia in a crop preceding the legume, the effect of passing the rhizobia through crop rhizosphere prior to planting peas was investigated in pot ...
Newton Z. Lupwayi +2 more
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Inoculation Effects in the Rhizosphere: Diversity and Function
2020Recent advances in sequencing technologies have shown that there are a few hundred species of microorganisms associated with plants both below and above ground, with the roots being a major staging ground for the strongest functional interactions. Plants interact closely with their endophytes and with microorganisms growing on the root surface and in ...
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Boron effects on rhizosphere acidification in canola
2001A root-box experiment was conducted under controlled environment conditions to investigate the effects of boron (B) on the degree of rhizosphere acidification by different cultivars of canola. Two cultivars, one B-efficient (Dunkeld) and another B-inefficient (Yickadee) were grown in a moderately B deficient soil at low and adequate B supply with NH4 ...
J. C. R. Stangoulis +2 more
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Effects of Tuber metabolites on the rhizospheric environment
Mycological Research, 1991Several species of Tuber (Ascomycotina, Tuberales) produce a ‘burned’ area around their symbiotic plants as a result of a phytotoxic action. The volatile substances from Tuber sporophores, truffles, have been previously identified by gas chromatography coupled to gas mass spectrometry and then tested for their toxic effects on higher plants as well
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Effect of rhizosphere pH on PAH availability
2008Soils contaminated by PAHs (Polycyclic Aromatic Hydrocarbons) are of environmental concern because of their ubiquity, persistence and toxicity. Their persistence in soils is related to their low availability due to adsorption processes and sequestration in aggregates.
Barnier, Christophe +3 more
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