Drilosphere: A valuable source for soil microbial  activities

Sharma, Ishwar Prakash; Chandra, Dinesh; Kanta, Chandra

doi:10.15406/mojbm.2018.03.00100

Cited by 4 publications

(4 citation statements)

References 11 publications

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“…Earthworms incorporate microplastics into their casts and burrow walls (Huerta Lwanga, Gertsen, et al, ; Huerta Lwanga et al, ; Huerta Lwanga, Mendoza Vega, et al, ; Prendergast‐Miller et al, ; Rillig, Ziersch, et al, ). These casts and burrows comprise a unique microhabitat that soil ecologists term the drilosphere (Andriuzzi, Bolger, & Schmidt, ; Sharma, Chandra, & Kanta, ). Drilosphere habitats have unique physicochemical properties (Görres & Amador, ; Görres, Savin, & Amadaor, ) and are hotspots of microbial and faunal activity (Andriuzzi et al, ; Nuutinen, Butt, Hyvälouma, Ketoja, & Mikola, ).…”

Section: Faunal Effects: Dispersal and Positioningmentioning

confidence: 99%

“…These casts and burrows comprise a unique microhabitat that soil ecologists term the drilosphere (Andriuzzi, Bolger, & Schmidt, 2013;Sharma, Chandra, & Kanta, 2018). Drilosphere habitats have unique physicochemical properties (Görres & Amador, 2010;Görres, Savin, & Amadaor, 2001) and are hotspots of microbial and faunal activity (Andriuzzi et al, 2016;Nuutinen, Butt, Hyvälouma, Ketoja, & Mikola, 2017).…”

Section: Faunal Effec Ts: D Is Per Sal and P Os Itioningmentioning

confidence: 99%

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Towards an ecology of soil microplastics

2019

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Microplastic pollution is a topic of increasing concern for the world's oceans, freshwaters and, most recently, soils. Microplastics have been found in soils across the globe. Like other anthropogenic pollutants, they can negatively affect a range of soil organisms through several mechanisms, though often dependent on particle size, shape and polymer type. However, microplastics are unique among pollutants due to the diversity of ways in which soil organisms may themselves be able to affect their occurrence and distribution and mediate their effects on the rest of the soil food web. In this review, we argue for a more explicitly ecological framing of this novel issue for the soil environment and discuss their potential interactions with soil communities, including microplastic formation via microbial and faunal fragmentation of large plastic debris and organisms such as earthworms placing microplastic particles in unique pedological contexts they could not otherwise reach. Ecological interactions may be crucial for dictating microplastics’ ultimate fate and effect on terrestrial ecosystems. A free Plain Language Summary can be found within the Supporting Information of this article.

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Section: Faunal Effects: Dispersal and Positioningmentioning

confidence: 99%

Section: Faunal Effec Ts: D Is Per Sal and P Os Itioningmentioning

confidence: 99%

Towards an ecology of soil microplastics

2019

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“…Razlog za povećanje sadržaja labilne OM u površinskom sloju zemljišta ogledao se i u predusevu i učestaloj obradi zemljišta tokom jesenjeg i prolećnog perioda u cilju zaoravanja žetvenih ostataka (jesen) i zelenišnog đubriva (proleće). Sharma et. al (2018) smatraju da se većina promena u hemijskim svojstvima zemljišta pod međuusevom dešava u gornjim slojevima zemljišta.…”

Section: Kukuruzunclassified

“…Većina promena u hemijskim svojstvima zemljišta pod međuusevom se dešava u gornjim (površinskim) slojevima zemljišta kao posledica razlaganja zaoranih međuuseva. Iako su međuusevi visoko skloni dekompoziciji, povećanje organske materije je ograničeno na gornje slojeve zemljišta (5 do 20 cm, a najviše do 5cm) (Sharma et. al., 2018).…”

Section: Introductionunclassified

Hot water extractable organic carbon of chernozem under the system of cover crop incorporation and subsequent sowing of spring crops

Vojnov¹,

Šeremešić²,

Ćupina³

et al. 2020

Zemljište i biljka

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In the agroecological conditions of Vojvodina, there is not enough research on the influence of plowing cover crops as a green manure on the content of labile organic carbon soluble in hot water (HWOC). The aim of the study was to determine the influence of crop rotation of different species of winter cover crops (CC) and spring crops in the subsequent sowing period (corn, soybeans and Sudan grass) on the content of organic matter (OM) levels as well as the dynamic of labile OM. Research was carried out at the Rimski Šančevi experimental station under Chernozem soil type. The winter CC consisted of the combined intercrops: winter pea (Pisum sativum ssp. Arvense L.) + triticale (×Triticosecale Wittm. ex A. Camus) (PT) and single-species CC winter pea (P) and control (without CC). Plowing of CC and control plots was carried out at a depth of 27 cm in the last decades of May 2018, and the sowing of maize, soybean and Sudan grass in early June with addition of 50 kg N ha-1 . Sampled was done in October at depth of: 0-20 cm, 20-40 cm. The analysis of variance determined a significant effect of cultivated crops (maize, soybeans and Sudan grass) in the subsequent sowing period on the changes of the HWOC content, as well as the interaction of cover crops and fertilization. The highest value of HWOC was measured in maize (658 µg g-1 ) on the variant P N0 (0-20 cm), and the lowest in the Sudan grass P N50 (20-40 cm). The highest share of HWOC in the total OM content was found in maize (2.56%), while the lowest share was measured in Sudan grass (1.87%).

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Working with UK farmers to investigate anecic earthworm middens and soil biophysical properties

Stroud

Dummett

Kemp

et al. 2022

Annals of Applied Biology

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The conversion from conventional tillage to no-tillage soil management practices is generally associated with an improvement in aggregate stability and anecic earthworm populations. We worked with UK farmers who measured Lumbricus terrestris midden area (%) and earthworm numbers associated with middens compared to the general soil. They found that middens covered up to 42% of the soil surface.Middened soil (i.e., soil underlying the middens) was associated with significantly more earthworms than the general soil (i.e., non-middened soil) in agreement with research from scientific field trials. We compared the biophysical properties of middened soil to general soil across an experimental field trial recently converted to no-tillage soil management practices. We measured water-stable aggregation, soil porosity at scales relevant to water storage and gas diffusion and invertebrate feeding activity. Middened areas covered up to 13% of the field trial and were associated with significantly improved aggregate stability and porosity compared to the general soil. Our findings highlight the importance of considering middens when surveying soil quality and health in arable systems.

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Drilosphere: A valuable source for soil microbial activities

Cited by 4 publications

References 11 publications

Towards an ecology of soil microplastics

Towards an ecology of soil microplastics

Hot water extractable organic carbon of chernozem under the system of cover crop incorporation and subsequent sowing of spring crops

Working with UK farmers to investigate anecic earthworm middens and soil biophysical properties

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