Changes in soil biological and biochemical characteristics in a long-term field trial on a sub-tropical inceptisol

Masto, Reginald Ebhin; Chhonkar, P. K.; Singh, Dharmendra; Patra, Abhik

doi:10.1016/j.soilbio.2005.11.012

Cited by 174 publications

(41 citation statements)

References 30 publications

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“…They showed that mineral N fertilization had weaker effects on DH activity as compared to organic manuring and concluded that mineral N additions are rapidly dispersed into the soil organic matter, the plant biomass, or are lost by leachates without effecting soil biological properties. Conversely, marked reductions in DH activity due to high N fertilization rates (Shen et al, 2010) and significant increase in activity due to optimum and balanced applications of nutrients (Ebhin Masto et al, 2006) have been observed. The study also revealed similar results for βG and is similar to the results of Liu et al (2010) who reported that the activities of βG in treatments with organic manures were significantly higher compared to mineral fertilizers treatments and unamended control.…”

Section: Discussionmentioning

confidence: 99%

Short-term effects of nutrient management regimes on biochemical and microbial properties in soils under rainfed ginger (Zingiber officinale Rosc.)

et al. 2012

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Section: Discussionmentioning

confidence: 99%

Short-term effects of nutrient management regimes on biochemical and microbial properties in soils under rainfed ginger (Zingiber officinale Rosc.)

et al. 2012

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“…The green manure (GM + 1/3 N treatment) and peat (Peat + 1/3 N treatment) treatments showed significantly higher MBC contents than the Chem-N treatment. MBC and MBN contents correlated positively with SOC content (r = 0.811, p % 0.05 and 0.735, respectively), possibly because MBC is a part of SOC (Masto et al 2006). MBC/SOC ratio in soil generally is in the range of 1-5% (Jenkinson and Ladd 1981), as shown in Table 4.…”

Section: Biochemical Parametersmentioning

confidence: 95%

Effects of long-term treatments of different organic fertilizers complemented with chemical N fertilizer on the chemical and biological properties of soils

Chang

Wang

Chen

et al. 2014

Soil Science and Plant Nutrition

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Continuous cultivation has been known to decrease soil organic matter content. Application of organic matter to cultivated soil is an important practice from the point of view of maintaining an adequate amount of soil organic matter. Soil organic matter content significantly affects soil microbial activity, which is an important index of soil quality. In this study, a field experiment was conducted to examine the long-term effects of different kinds of organic matter in combination with inorganic nitrogen (N) fertilizer on chemical and biological properties of soils. There were seven treatments, namely (1) The results showed that compared with CK and Chem-N treatments, applications of compost and peat increased soil organic carbon (SOC) content and altered microbial activities and microbial community structure. However, application of green manure for 12 years had no effect on SOC content. Both microbial activities and PLFA profiles were clearly dependent on the characteristics of the applied organic amendments. In summary, a peat application led to the highest increase in SOC content compared to compost and green manure; however, compost-treated soil had a higher microbial population and higher microbial and enzyme activities, while the effects of both green manure and chemical N fertilizer on soil properties were similar.

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“…The MBC/SOC ratio was slightly higher in revegetated sites, and this ratio has been proposed as an indicator for success of reclamation efforts (Sinha et al, 2009;Mukhopadhyay et al, 2016a). Soil respiration (BSR) varied significantly, and such differences are indicative of variable amounts of labile SOC accumulated under different tree species (Masto et al, 2006). Menyailo et al (2003) suggested that soil respiration can be affected by tree species if inorganic N becomes a limiting factor.…”

Section: Pahsmentioning

confidence: 99%

Changes in Polycyclic Aromatic Hydrocarbons (PAHs) and Soil Biological Parameters in a Revegetated Coal Mine Spoil

2016

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Coal mining leads to severe land degradation and creates huge amounts of mine spoil. Coal mine spoil contains toxic polycyclic aromatic hydrocarbons (PAHs) derived from coal, which can be alleviated through revegetation with suitable tree species. The present study was aimed at evaluating the impact of different tree species (Albizia lebbeck, Cassia siamea, Delonix regia, and Dalbergia sissoo) on the quality of coal mine spoil and changes in PAH concentration. Soil samples were collected from the revegetated coalmine overburden dumps of Jharia coalfield, Dhanbad, India and analysed by GC‐MS for 16 priority PAHs and soil quality parameters were analyzed by standard analytical protocols. Reclamation improved the biological properties of the mine spoil: microbial biomass (+59–176%), dehydrogenase activity (+46–198%), fluorescein diacetate hydrolase activity (+104–127%), phenol oxidase activity (+150–250%), and peroxidase activity (+93–181%). PAH concentration in revegetated mine spoil ranged from 0 · 51 to 1 · 35 mg kg−1, with a significance reduction in total as well as individual PAHs. For individual tree species, total PAH reduction decreased in the order: C. siamea (81 · 6%) > A. lebbeck (55 · 6%) > D. regia (51 · 9%) > D. sissoo (51 · 5%). Correlation analysis showed significant association between the degradation of PAHs and soil biological properties of revegetated site. Microbial biomass carbon and soil enzymes were negatively correlated with PAH content in the mine spoil. But microbial stress indicators like respiration/microbial carbon ratio were not correlated, which revealed no adverse effect of PAH on soil microbes. Principal component analysis revealed that most of the biological parameters were closely associated with the degradation of low molecular weight PAHs. Copyright © 2016 John Wiley & Sons, Ltd.

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Changes in soil biological and biochemical characteristics in a long-term field trial on a sub-tropical inceptisol

Cited by 174 publications

References 30 publications

Short-term effects of nutrient management regimes on biochemical and microbial properties in soils under rainfed ginger (Zingiber officinale Rosc.)

Short-term effects of nutrient management regimes on biochemical and microbial properties in soils under rainfed ginger (Zingiber officinale Rosc.)

Effects of long-term treatments of different organic fertilizers complemented with chemical N fertilizer on the chemical and biological properties of soils

Changes in Polycyclic Aromatic Hydrocarbons (PAHs) and Soil Biological Parameters in a Revegetated Coal Mine Spoil

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