Soil carbon, microbial activity and nitrogen availability in agroforestry systems on moderately alkaline soils in northern India

Kaur, Baljinder; Gupta, S. R.; Singh, Gurbachan

doi:10.1016/s0929-1393(00)00079-2

Cited by 124 publications

(64 citation statements)

References 27 publications

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“…The increasing respiratory activity may probably be attributed to an increase of both bacteria (r = 0.79 ***), fungal (r = 0.62 ***), and actinomycete (r = 0.59 ***) populations. The soil C concentration under different vegetation management systems influenced respiratory activity (Kaur et al, 2000). Also, a positive correlation between soluble organic C content and respiratory activity was similarly reported (Arunachalam et al, 1999).…”

Section: Resultsmentioning

confidence: 58%

“…Most probable number (MPN) counts were determined using nutrient agar, Martin medium (Martin, 1950) and glucose-asparagine (Kuster & Williams, 1964) for bacteria, fungi and actinomycetes, respectively. The MPN count of microorganisms was determined on soil samples using a 10-fold serial dilution, followed by inoculation of five drops (40 mL) from each dilution onto the surface of the appropriate nutrient agar plate (Carvalhal et al, 1991).…”

Section: Methodsmentioning

confidence: 99%

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Recovery of soil microbiological properties in a degraded area planted with Corymbia citriodora and Leucaena leucocephala

Valpassos

Maltoni

Cassiolato

et al. 2007

Sci. agric. (Piracicaba, Braz.)

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The influence of reforestation was evaluated during two season periods (February and October) in sites planted with Corymbia citriodora and Leucaena leucocephala through microorganism counts (bacteria, fungi, actinomycetes, and nitrite oxidizers) and microbial activity (respiratory and urease activities). An Atlantic forest and a bare soil site were used as controls. The general trends of the variables in the different soils were: Atlantic forest or L. leucocephala > C. citriodora > bare soil. The microbial populations in L. leucocephala and C. citriodora soils were significantly higher (P < 0.05) than that found in the bare soil. Similar results were obtained for respiratory and urease activities. The microbiological variables of the soil under L. leucocephala were comparable or even superior to that found under Atlantic forest. An improvement in the microbiological soil variables was observed in the soil under C. citriodora when compared to the soil without vegetation. These results can be attributed to an increasing amount of total organic C of the soils under L. leucocephala and C. citriodora in relation to the soil without vegetation.

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Section: Resultsmentioning

confidence: 58%

Section: Methodsmentioning

confidence: 99%

Recovery of soil microbiological properties in a degraded area planted with Corymbia citriodora and Leucaena leucocephala

Valpassos

Maltoni

Cassiolato

et al. 2007

Sci. agric. (Piracicaba, Braz.)

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“…However, the relationship between these two factors is not fully understood, especially in soils (Söderström et al 1983,Henriksen andBreland 1999). Kaur et al (2000) ascertained that soil organic matter originated from plant stimulated microbial activities (Kaur et al 2000). In addition, Lipson et al (2000) revealed that carbon availability was an important factor for regulating microbial biomass (Lipson et al 2000).…”

Section: Extracellular Enzyme Activities In Water Body and Sedimentmentioning

confidence: 99%

Differences in Biogeochemical Properties and Microbial Activities in Stream Segments with Changes in Land-use Type

Kim¹,

Jang²,

Lee³

et al. 2015

Ecology and Resilient Infrastructure

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Changes in land-use type can affect soil and water properties in stream ecosystems. This study examined the effects of different land-use types on biogeochemical properties and microbial activities of a stream. We collected water and sediment samples in a stream at three different sites surrounded by varying land-use types; a forest, a radish field and a rice paddy. Nitrogen contents, such as nitrate, nitrite and total nitrogen in the stream water body, showed significant differences among the sampling sites. The highest nitrogen values were recorded at the site surrounded by cropland, as fertilizer runoff impacted the stream. Soil organic matter content in the sediment showed significant differences among sites, with the highest content exhibited at the forest mouth site. These differences might be due to the organic matter in surrounding terrestrial ecosystems. Microbial activities determined by extracellular enzyme activities showed similar values throughout all sites in the water body; however, the activities in the sediments exhibited the highest values near the forest site and mirrored the soil organic matter content values. From these results, we conclude that different land-use types are important factors affecting water and sediment properties in stream ecosystems.

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“…The soil microbial biomass is a labile pool of organic matter and comprises 1-3% of total soil organic matter. The soil microbial biomass acts as a source and sinks of the plant nutrient and regulates the functioning of the soil system (Kaur et al, 2000). These source-sink dynamics depend on complex interactions between climate, topography, vegetation and soil surface properties (Maestre, 2006).…”

mentioning

confidence: 99%

“…These source-sink dynamics depend on complex interactions between climate, topography, vegetation and soil surface properties (Maestre, 2006). Plant cover through its eff ects on the quantity and quality of organic matter inputs infl uences the levels of soil microbial biomass (Kaur et al, 2000). The nutrient release processes have a fundamental role in ecosystem functioning, particularly in Mediterranean areas, where nutrient availability, mainly nitrogen, represents a limiting factor (Rutigliano et al, 2009).…”

mentioning

confidence: 99%

The availability of mineral nitrogen in Mediterranean open steppe dominated by Stipa tenacissima L.

Novosádová¹,

Záhora²,

Ruíz-Sinoga³

2014

Acta Univ. Agric. Silvic. Mendelianae Brun.

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Soil carbon, microbial activity and nitrogen availability in agroforestry systems on moderately alkaline soils in northern India

Cited by 124 publications

References 27 publications

Recovery of soil microbiological properties in a degraded area planted with Corymbia citriodora and Leucaena leucocephala

Recovery of soil microbiological properties in a degraded area planted with Corymbia citriodora and Leucaena leucocephala

Differences in Biogeochemical Properties and Microbial Activities in Stream Segments with Changes in Land-use Type

The availability of mineral nitrogen in Mediterranean open steppe dominated by Stipa tenacissima L.

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