Effects of long-term use of different farming systems on some physical, chemical and microbiological parameters of soil quality

Gajda, A.M.; Czyż, Ewa A.; Dexter, A. R.

doi:10.1515/intag-2015-0081

Cited by 54 publications

(44 citation statements)

References 23 publications

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“…What is more, the higher concentration of SOM in soil under RT induced a decrease in RDC content, in comparison to that of the CT system. According to Czyż et al (2002), Czyż and Dexter (2015), Dexter et al (2008), and Gajda et al (2016), the total organic C controls mostly the RDC and then RDC shows a similar outcome to that induced by organic matter, but since it is a complex-bound C, a similar outcome cannot be expected for RDC. As Czyż and Dexter (2015) reported, an increase of SOM has been found to reduce the amount of RDC, in a Polish soil (Dexter and Czyż, 2000), in Romanian soils (Watts et al, 1996), and for a UK soil (Watts and Dexter, 1997).…”

Section: Resultsmentioning

confidence: 99%

Effects of different soil management practices on soil properties and microbial diversity

Gajda¹,

Czyż²,

Dexter³

et al. 2018

International Agrophysics

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The effects of different tillage systems on the properties and microbial diversity of an agricultural soil was investigated. In doing so, soil physical, chemical and biological properties were analysed in 2013-2015, on a long-term field experiment on a loamy sand at the IUNG-PIB Experimental Station in Grabów, Poland. Winter wheat was grown under two tillage treatments: conventional tillage using a mouldboard plough and traditional soil tillage equipment, and reduced tillage based on soil crushing-loosening equipment and a rigid-tine cultivator. Chopped wheat straw was used as a mulch on both treatments. Reduced tillage resulted in increased water content throughout the whole soil profile, in comparison with conventional tillage. Under reduced tillage, the content of readily dispersible clay was also reduced, and, therefore, soil stability was increased in the toplayers, compared with conventional tillage. In addition, the beneficial effects of reduced tillage were reflected in higher soil microbial activity as measured with dehydrogenases and hydrolysis of fluorescein diacetate, compared with conventional tillage. Moreover, the polimerase chain reaction – denaturing gradient gel electrophoresis analysis showed that soil under reduced till-age had greater diversity of microbial communities, compared with conventionally-tilled soil. Finally, reduced tillage increased organic matter content, stability in water and microbial diversity in the top layer of the soil.

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Section: Resultsmentioning

confidence: 99%

Effects of different soil management practices on soil properties and microbial diversity

Gajda¹,

Czyż²,

Dexter³

et al. 2018

International Agrophysics

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“…In recent years, there has been increasing interest in and development of organic practices. The organic production system is one alternative to conventional agriculture (Marinari et al 2006;Kus and Jo nczyk 2008;de Ponti et al 2012), and stimulates the microbial activity and diversity at or near the soil surface (Gajda et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Effects of crop production practices on soil characteristics and metabolic diversity of microbial communities under winter wheat

et al. 2019

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The aim of this research was to compare the effects of organic (ORG, no mineral fertilisers and pesticides) and conventional (CON, with mineral fertilisation and plant protection chemicals) crop production systems on some soil properties: soil organic matter (SOM) and particulate organic matter (POM) contents, dehydrogenase activity and metabolic microbial diversity (Biolog EcoPlate™). Samples of Haplic Luvisol soil were collected from 23-year-old experimental fields under winter wheat from the depth layers of 0–5, 5–10, 15–20 and 30–35cm. Soil under ORG showed higher contents of SOM, POM and POM expressed as a percentage of SOM by 16.0%, 25.6% and 23.9% respectively, in particular down to 5cm depth, compared with the CON system. Also, dehydrogenase activity was 47.5% higher under the ORG than the CON system. The Biolog EcoPlate revealed higher metabolic microbial diversity in soil under ORG crop production system compared with CON. This result was supported by the average well colour development and Shannon’s diversity index values. Significant correlations between soil quality parameters and winter wheat yield confirmed their effectiveness as indicators of soil disturbance. The results showed that the ORG system much better maintained SOM and soil fertility compared with CON.

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“…Previous studies have attributed this infiltration rate difference among tillage practices to soil texture, macropore quantity and continuity, soil organic matter content, soil moisture and soil bulk density (Ginting et al, 2003;Gajda et al, 2016;Zaibon et al, 2017), but all of these vary case by case. Ultimately, earthworm burrowing and root decomposition played an important role in increasing macropore quantity and thus made for preferential transport (Emmerling et al, 2015).…”

Section: Soil Structural Properties Associated With Macroporosity Undmentioning

confidence: 99%

Earthworm Positively Influences Large Macropores Under Extreme Drought Conditions and Conservation Tillage in a Chinese Mollisol

Chen¹

2018

Appl. Ecol. Env. Res.

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Abstract. It is often claimed that earthworms exert a huge influence on soil macroporosity. Nevertheless, gaps still exist in our knowledge of rangeability in soil macroporosity caused by earthworm activity. Earthworms are generally recognized as ecosystem engineers vital for soil ecosystem function and services, but the potential mechanism of earthworm response to the combination of extreme drought and conservation tillage has not yet been identified. To improve understanding of the effect of the earthworm on soil macroporosity and how earthworms, through soil macroporosity, respond to extreme drought and conservation tillage, a study was conducted to compare soil macroporosity under different tillage treatments with the same number of earthworms in incubation conditions and soil structural properties (soil penetration resistance, infiltration rate, saturated hydraulic conductivity) associated with macroporosity, together with crop yields under different tillage systems and drought stress in field conditions. The results show that earthworms only increase the volume of large macropores (>100 µm) rather than small macropores (30-100 µm) under different tillage systems. Earthworms played a positive role in the development of large macropores, as evidenced by the formation of paths of least resistance under high penetration resistance, higher infiltration rate and saturated hydraulic conductivity and no obvious yield loss under extreme drought and conservation tillage in a Chinese Mollisol.

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Effects of long-term use of different farming systems on some physical, chemical and microbiological parameters of soil quality

Cited by 54 publications

References 23 publications

Effects of different soil management practices on soil properties and microbial diversity

Effects of different soil management practices on soil properties and microbial diversity

Effects of crop production practices on soil characteristics and metabolic diversity of microbial communities under winter wheat

Earthworm Positively Influences Large Macropores Under Extreme Drought Conditions and Conservation Tillage in a Chinese Mollisol

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