microbial biomass C and N
The changes in microbial biomass C and N in long term field experiments
... of microbial biomass C and n in plots with organic fertilizers were found in samples collected during the first year after or- ganic fertilizers application on plots with potato (Figure ...of ...
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Soil microbial biomass dynamics in grassland and agroecosystem receiving varying resource quality soil inputs in dry tropics
... soil microbial biomass C and N found in grassland was maximum compared to cultivated plots, which could be probably attributed to higher returns of plant inputs to the ...plant biomass ...
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Quantifying the effects of organic residues on soil nitrogen and phosphorus availability
... Average microbial biomass C and N were 260 and 43 ug g -1 ...for microbial biomass C and N, ...of C additions in depth A, the -FF had 557 kg C ha -1 , ...
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Effect of Leaf Litter Treatment on Soil Microbial Biomass
... Soil microbial biomass is an active fraction of soil organic ...soil microbial biomass. Soil microbial biomass C and N were determined by chloroform fumigation ...
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The influence of long term organic and mineral fertilization on soil organic matter
... (organic C and N content) and quality (hot water extractable C content, aliphatic compounds, microbial biomass C content, basal respiration activity) were de- termined in soils ...
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Burning in a New Zealand snow-tussock grassland: Effects on soil microbial biomass and nitrogen and phosphorus availability
... soil microbial biomass C, N and P at a tussock-grassland site in Central Otago (Yeates and Lee, ...conserving N and P rendered available by the fire was assessed by comparing ...
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Effect of Palm Oil Mill Effluent (POME) on Microbial Characteristics in a Humid Tropical Soil under Laboratory Conditions
... increased microbial biomass C content and enzymatic activity in the treated ...degradable C and N substrates resulted in high levels of extracted C and N and led to ...
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Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff
... study, microbial biomass C was significantly lower (p < ...the N- exposed sites (Table 1) compared to the non-exposed sites, which is in agreement with the findings of Ettema et ...in ...
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Microbial biomass C determined using CaCl2 and K2SO4 as extraction reagents
... extractable C, microbial biomass C, ergosterol content and CO 2 ...tractable C during study of C and N mineraliza- tion in an acid forest soils in Lower ...of C org ...
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Labile fraction changes of soil organic matter along the gradients of altitude in drylands with dry climate
... total N, organic C, and labile fractions analysis (water-soluble fraction, microbial biomass C, particulate organic matter, and microbial biomass N and ...
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The Fluxes of Organic C and N, and Microbial Biomass and Maize Yield in an Organically Manured Ultisol of the Guinea Savanna Agroecological Zone of Nigeria
... especially N may bring about a reduction in the rates of soil N ...the N supplying potential of the ...mineralisable N) varied among the organic materials applied, this variation might have ...
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Assessment of the Microbial Biomass Carbon (MB-C), Nitrogen (MB-N) and Phosphorus (MB-P) in Soil Spiked with Pesticides (Carbofuran and Paraquat)
... in microbial counts in pesticides treated soil may be due to their ability to metabolize these pesticides as an energy ...in microbial counts in the pesticide treated soils may be attributed to the cidal or ...
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Great fraction of dissolved organic C and N in the primary per-humid Chamaecyparis forest soil
... labile C and N and the inorganic N was not consistently evident over ...in microbial biomass among soils at various locations suggest that the soil environment of the entire forest ...
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Management versus site effects on the abundance of nitrifiers and denitrifiers in European mountain grasslands
... where N in ammonium and especially nitrate tended to be ...pH, microbial biomass, nitrate and total nitrogen content (Hayden et ...factors, N availability related most strongly to the AOB ...
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The influence of organic and mineral nitrogen fertilizers on microbial biomass nitrogen and extractable organic nitrogen in long term experiments with maize
... To determine microbial biomass N, immediately after pre-extraction a half of the samples was extracted with 100 ml of 0.5M K 2 SO 4 . 45-minute shaking of samples was followed by centrifugation. The ...
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Simple heat profiles and biogeochemical patterns for analysis the influence on soil microbial community of plastic-greenhouse and open field condition
... the microbial biomass was higher in the greenhouse soil than the open- field soil with positive correlations between N 0 and OM in both cases ...more microbial biomass than the open ...
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Nitrogen transformations in the rhizosphere of different tree types in a seasonally flooded soil
... influence C and N availability in the rhizosphere via rhizodeposition and uptake of ...on N cycling under seasonally flooded soil. We examined N mineralization and nitrification rates, ...
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Aliphatic compounds, organic C and N and microbial biomass and its activity in long term field experiment
... ratio C to N provides information on the capacity of the soil to store and recycle ...The C/N ratio of soils is approximately 10 to 1 and higher ratios may indicate recent additions of manure ...
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Soil resilience and recovery: rapid community responses to management changes
... Soil N was approximately 10 % of soil C in all treatments and showed the same trends, indicating it was derived from the soil organic matter where C: N is typically 10: ...and N when ...
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Effects of zeolite amendment on microbial biomass and respiratory activity in heavy metal contaminated soils
... µg C/g and NH 4 (SO 4 ) 2 giving the ratio C:N 10:1 was ...of microbial biomass, respiratory ac- tivity, pH and available heavy metal fractions were deter- mined on days 0, 1, 2, 10 of the ...
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