Soil microbial biomass, dehydrogenase activity, bacterial community structure in response to long-term fertilizer management

Chu, Haiyan; Lin, Xiangui; Fujii, Takeshi; Morimoto, Sho; Yagi, Kazuyuki; Hu, Junli; Zhang, Jiabao

doi:10.1016/j.soilbio.2007.05.031

Cited by 431 publications

(258 citation statements)

References 29 publications

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“…1), suggesting that soil microorganisms may not be sensitive to the three fertilizer rates used in this study. This is consistent with many previous reports conducted on forest soils (Lucas et al 2007), bentgrass soils (Liu et al 2011), and farmland soils (Chu et al 2007). Inorganic N did not show any significant influence on abundance of soil microbes, nor on their composition measured by lipid analysis (Lucas et al 2007).…”

Section: Effects Of Fertilizer Rate On Soil Propertiessupporting

confidence: 92%

“…Inorganic N did not show any significant influence on abundance of soil microbes, nor on their composition measured by lipid analysis (Lucas et al 2007). Using denaturing gradient gel electrophoresis (DGGE), Liu et al (2011) found that the differences in microbial community composition occurred only between unfertilized and fertilized plots rather than between fertilizer rates after 1-year fertilization treatments, while Chu et al (2007) reported that DGGE banding pattern was not altered regardless of soil was fertilized or not following 16-year fertilization treatments.…”

Section: Effects Of Fertilizer Rate On Soil Propertiesmentioning

confidence: 99%

“…These changes are often attributed to relatively high amounts of available organic C and N, as well as indigenous microbes within the manure (Tu et al 2006;Chu et al 2007;Lucas et al 2007;Blagodatskaya et al 2009), suggesting that organic manure application may be a possible way to speed up crop residue mineralization and to avoid nutrient shortage within the first few years of the crop residue return.…”

Section: Introductionmentioning

confidence: 99%

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Crop residue management and fertilization effects on soil organic matter and associated biological properties

Zhao

Zhang

et al. 2016

Environ Sci Pollut Res

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Xiying, "Crop residue management and fertilization effects on soil organic matter and associated biological properties" (2016 Abstract Returning crop residue may result in nutrient reduction in soil in the first few years. A two-year field experiment was conducted to assess whether this negative effect is alleviated by improved crop residue management (CRM). Nine treatments (3 CRM and 3 N fertilizer rates) were used. The CRM treatments were (1) R0: 100 % of the N using mineral fertilizer with no crop residues return; (2) R: crop residue plus mineral fertilizer as for the R0; and (3) Rc: crop residue plus 83 % of the N using mineral and 17 % manure fertilizer. Each CRM received N fertilizer rates at 270, 360, and 450 kg N ha −1 year −1 . At the end of the experiment, soil NO 3 -N was reduced by 33 % from the R relative to the R0 treatment, while the Rc treatment resulted in a 21 to 44 % increase in occluded particulate organic C and N, and 80°C extracted dissolved organic N, 19 to 32 % increase in microbial biomass C and protease activity, and higher monounsaturated phospholipid fatty acid (PLFA):saturated PLFA ratio from stimulating growth of indigenous bacteria when compared with the R treatment. Principal component analysis showed that the Biolog and PLFA profiles in the three CRM treatments were different from each other. Overall, these properties were not influenced by the used N fertilizer rates. Our results indicated that application of 17 % of the total N using manure in a field with crop residues return was effective for improving potential plant N availability and labile soil organic matter, primarily due to a shift in the dominant microorganisms.

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Section: Effects Of Fertilizer Rate On Soil Propertiessupporting

confidence: 92%

Section: Effects Of Fertilizer Rate On Soil Propertiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Crop residue management and fertilization effects on soil organic matter and associated biological properties

Zhao

Zhang

et al. 2016

Environ Sci Pollut Res

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“…Proper management of soil P is important for maintaining soil fertility and crop yields (Chu et al, 2007;Shen et al, 2004). However, surplus P from manure and mineral fertilizers has accumulated in the soil at the study site.…”

Section: Effects Of Fertilizer Practices On Soil Propertiesmentioning

confidence: 99%

“…This is especially true for the red soil region of southeast China, where the soils are highly weathered, strongly acidic, and P deficient (Smithson and Giller, 2002;Zhong and Cai, 2007). Farmers' decisions about their fertilizer strategies reflect economic, rather than agronomic, pressure (Chu et al, 2007). Currently farmers apply between 270 and 466 kg N ha −1 year −1 and between 135 and 160 kg P ha −1 year −1 (Xie et al, 2014) as chemical compound fertilizers to the reddish paddy soils; organic fertilizer is rarely applied nowadays.…”

Section: Introductionmentioning

confidence: 99%

Responses of absolute and specific soil enzyme activities to long term additions of organic and mineral fertilizer

Zhang

Dong

Dai

et al. 2015

Science of The Total Environment

171

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• Acid phosphatase activity was negatively correlated with soil pH and P content.• βG, NAG, and LAP activities were positively correlated with SOC and Total N contents.• The four enzyme activities were significantly higher under manure than NPK fertilizer.• Enzyme activities were positively correlated with actinomycete and G + bacterium.• We recommend reducing P fertilizer application rates to subtropical paddy soils. G R A P H I C A L A B S T R A C Ta b s t r a c t a r t i c l e i n f o Long-term phosphorus (P) and nitrogen (N) applications may seriously affect soil microbial activity. A long-term field fertilizer application trial was established on reddish paddy soils in the subtropical region of southern China in 1998. We assessed the effects of swine manure and seven different rates or ratios of NPK fertilizer treatments on (1) the absolute and specific enzyme activities per unit of soil organic carbon (SOC) or microbial biomass carbon (MBC) involved in C, N, and P transformations and (2) their relationships with soil environmental factors and soil microbial community structures. The results showed that manure applications led to increases in the absolute and specific activities of soil β-1,4-glucosidase(βG), β-1,4-N-acetylglucosaminidase (NAG), and leucine aminopeptidase (LAP). The absolute and specific acid phosphatase (AP) activities decreased as mineral P fertilizer application rates and ratios increased. Redundancy analysis (RDA) showed that there were negative correlations between absolute and specific AP activities, pH, and total P contents, while there were positive correlations between soil absolute and specific βG, NAG, and LAP enzyme activities, and SOC and total N contents. RDA showed that the contents of actinomycete and Gram-positive bacterium PLFA biomarkers are more closely related to the absolute and specific enzyme activities than the other PLFA biomarkers (P b 0.01). Our results suggest that both the absolute and specific enzyme activities could be used as sensitive soil quality indicators that provide useful linkages with the microbial community structures and environmental factors. To maintain microbial activity and to minimize environmental impacts, P should be applied as a combination of inorganic and organic forms, and total P fertilizer application rates to subtropical paddy soils should not exceed 44 kg P ha −1 year −1 .

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Influence of Intercropping and Intercropping Plus Rhizobial Inoculation on Microbial Activity and Community Composition in Rhizosphere of Alfalfa (Medicago sativaL.) and Siberian Wildrye (Elymus sibiricusL.)

Sun¹,

Zhang²,

Wang³

et al. 2013

Molecular Microbial Ecology of the Rhizosphere

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Alfalfa-Siberian wild rye intercropping is the predominant cropping system used to produce forage in China. In this study, the effects of intercropping and intercropping-rhizobial inoculation on soil enzyme activities, microbial biomass and bacterial community composition in the rhizosphere were examined. In both treatments, the yield of alfalfa, microbial biomass and activities of soil urease, invertase and alkaline phosphatase in the alfalfa rhizosphere were markedly increased, whereas there was a slight increase in the yield of Siberian wild rye, few impacts on soil microbial biomass, and decreased enzyme activities (except for urease) in the Siberian wild rye rhizosphere. Terminal restriction fragment length polymorphism (T-RFLP) of 16S rRNA genes indicated that Alphaproteobacteria, Betaproteobacteria, Gammaproteobacteria, Deltaproteobacteria, Firmicutes, Actinobacteria and Bacteroidetes were the major bacterial groups in the rhizosphere of both plants. However, intercropping and rhizobial inoculation induced some shifts in the relative abundance of them. Nitrosomonas and Nitrosospira groups were detected in all treatments by the T-RFLP patterns of ammonia monooxygenase subunit A (amoA) gene, but the relative abundance of Nitrosomonas increased and that of Nitrosospira decreased in the intercropping-rhizobial inoculation treatment. Both treatments tended to increase the diversity of amoA. Conclusively, the two treatments clearly affected soil microbial composition and soil enzyme activities, which might be reflected in changes in yield.

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Soil microbial biomass, dehydrogenase activity, bacterial community structure in response to long-term fertilizer management

Cited by 431 publications

References 29 publications

Crop residue management and fertilization effects on soil organic matter and associated biological properties

Crop residue management and fertilization effects on soil organic matter and associated biological properties

Responses of absolute and specific soil enzyme activities to long term additions of organic and mineral fertilizer

Influence of Intercropping and Intercropping Plus Rhizobial Inoculation on Microbial Activity and Community Composition in Rhizosphere of Alfalfa (Medicago sativaL.) and Siberian Wildrye (Elymus sibiricusL.)

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