Soil microorganisms, soil organic matter and soil fertility

Henis, Y.

doi:10.1007/978-94-009-4426-8_7

Cited by 18 publications

(8 citation statements)

References 17 publications

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“…The NH + 4 –N extracted from soil treated with D‐CPL was low at the time of application and remained low for the duration of the study (1 to 2 mg kg −1 soil). It is likely that the 12‐mo‐long composting process for the D‐CPL created a stable end‐product that was more resistant to nutrient release than the 3‐mo‐long process for M‐CPL (Henis, 1986). Source differences decreased with increasing time and NH + 4 –N concentrations were similar for composted or fresh litters from 30 to 120 DAA.…”

Section: Resultsmentioning

confidence: 99%

Nitrogen and Phosphorus Availability in Composted and Uncomposted Poultry Litter

et al. 2002

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Poultry litter applications to land have been based on crop N requirements, resulting in application of P in excess of plant requirements, which may cause degradation of water quality in the Chesapeake Bay watershed. The effect of litter source (the Delmarva Peninsula and Moorefield, West Virginia) and composting of poultry litter on N mineralization and availability of P in two soil types (sandy loam and silt loam) was determined in a controlled environment for 120 d. Nitrogen mineralization (percent total organic N converted to inorganic nitrogen) rates were higher for fresh litter (range of 42 to 64%) than composted litter (range of 1 to 9%). The N mineralization rate of fresh litter from the Delmarva Peninsula was consistently lower than the fresh litter from Moorefield, WV. The N mineralization rate of composted litter from either source was not significantly different for each soil type (7 to 9% in sandy loam and 1 to 5% in silt loam) even though composting conditions were completely different at the two composting facilities. Litter source had a large effect on N mineralization rates of fresh but not composted poultry litter. Composting yielded a more predictable and reliable source of mineralizable N than fresh litter. Water-extractable phosphorus (WEP) was similar in soils amended with composted litter from WV and fresh litter from both sources (approximately 10 to 25 and 2 to 14 mg P kg(-1) for sandy loam and silt loam, respectively). Mehlich 1-extractable phosphorus (MEP) was similar in soils amended with WV fresh litter and composted litter from both sources (approximately 100 to 140 and 60 to 90 mg P kg(-1) for sandy loam and silt loam, respectively). These results suggest that the composting process did not consistently reduce WEP and MEP, and P can be as available in composted poultry litter as in fresh poultry litter.

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Section: Resultsmentioning

confidence: 99%

Nitrogen and Phosphorus Availability in Composted and Uncomposted Poultry Litter

et al. 2002

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“…Actinomycetes grow extensively in soils rich in organic matter and the number of actinomycetes in soil is positively correlated to the level of organic matter and moisture content (36,37). In the current study, the low actinomycetes count in Abu Thor sample may be due to soil properties, as a combination of other environmental and biological factors would control the distribution of actinomycetes in the studied sample.…”

Section: Discussionmentioning

confidence: 63%

Bioleaching of Rare Earth Elements and Uranium from Sinai Soil , Egypt Using Actinomycetes

Hewedy¹,

Rushdy²,

Kamal³

2013

EJHM

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The use of microorganisms in the recovery of Rare Earth Elements (REEs) and Uranium (U) from low grade ores provides an appropriate eco-friendly alternative to chemical methods used in extraction and/or removal of metals from soils, with a higher efficiency, less destruction to the environment, and lower cost from a commercial view especially given that high-grade mineral resources that can be used in the chemical extraction of metals are being depleted. The feasibility of using actinomycetes to recover REEsand Ufrom a low-grade ore occurring in an Egyptian soil in Wadi Abu Thor, Sinai, Egypt, was investigated. The most effective isolate in REEs-bioleaching was Streptomyces fungicidicus YH04, while the most effective isolate in U-bioleaching was Streptomyces aureofaciens 3001(1). Streptomyces fungicidicus YH04 bioleached 37.13% of the REEs present in the sample, while S. aureofaciens 3001(1) bioleached of 12.56% of the U present in the sample. The isolated strains of actinomycetes can be used to extract REEs and U by better, more economic and less polluting bioleaching processes instead of the chemical processes which are in common use today.

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“…Cladosporium cladosporioides (Mycosphaerellaceae) is one of the most common indoor and outdoor molds. This fungus is easy to cultivate and is an environmentally relevant organism; it is a ubiquitous saprophyte living on organic residues in soils [1]. It can be pathogenic to various plants such as wheat [2].…”

mentioning

confidence: 99%

Identification of the Hydroxamate Siderophore Ferricrocin in Cladosporium cladosporioides

Pourhassan

Gagnon

Wichard

et al. 2014

Natural Product Communications

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The hydroxamate siderophore ferricrocin was identified in Cladosporium cladosporioides growth medium by solid phase extraction and ultra high pressure liquid chromatography coupled to a time of flight mass spectrometer (UHPLC/QTOF-MS). Both desferricrocin and ferricrocin were detected in the extracellular medium assisted by high resolution mass spectrometry. This is the first identification of a hydroxamate siderophore in Cladosporium cladosporioides. This finding emphasizes the common meaning of ferricrocin in fungi.

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Soil microorganisms, soil organic matter and soil fertility

Cited by 18 publications

References 17 publications

Nitrogen and Phosphorus Availability in Composted and Uncomposted Poultry Litter

Nitrogen and Phosphorus Availability in Composted and Uncomposted Poultry Litter

Bioleaching of Rare Earth Elements and Uranium from Sinai Soil , Egypt Using Actinomycetes

Identification of the Hydroxamate Siderophore Ferricrocin in Cladosporium cladosporioides

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