Medium-term impact of tillage and residue management on soil aggregate stability, soil carbon and crop productivity

Paul, Birthe K.; Vanlauwe, Bernard; Ayuke, Fredrick O.; Gassner, Anja; Hoogmoed, Marianne; Hurisso, Tunsisa T.; Koala, Saidou; Lelei, D.; Ndabamenye, T.; Six, Johan; Pulleman, Mirjam

doi:10.1016/j.agee.2012.10.003

Cited by 214 publications

(118 citation statements)

References 43 publications

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“…The aggregate stability indices can reflect the changing of soil aggregate size distribution and describe soil aggregate distribution status in many studies (Gwenzi et al, 2009;Paul et al, 2013;Zhang et al, 2014). Aggregates comprise both macroaggregates (> 0.25 mm) and microaggregates (< 0.25 mm) in the hierarchical model of aggregate organization as described by Tisdall and Oades (1982).…”

Section: Introductionmentioning

confidence: 99%

Integrative effects of no-tillage and straw returning on soil organic carbón and water stable aggregation under rice-rape rotation

Kubar¹,

Li²,

Lu³

et al. 2018

Chil. j. agric. res.

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No-tillage and straw returning are important practices for preserving and improving soil quality for the sustainable management system. The experimental field was established in 2007 with conventional tillage (CT), conventional tillage with straw returning (CTS), no-tillage (NT), and no-tillage with straw returning (NTS) practice in rice (Oryza sativa L.)-rape (Brassica napus L.) cropping system. The soil samples were collected in 2013-2015 from 0-20 and 20-40 cm depth to investigate the effects on soil organic C (SOC), water-stable aggregation (> 5, 5-2, 2-1, 1.0-0.5, 0.25-0.5, and < 0.25 mm), and their stability in paddy soil of the central China. In the last year (2015), the integrative use of no-tillage and straw returning significantly increased SOC content and contribution of the macroaggregates in 0-20 cm and microaggregates in 20-40 cm depth. Compared with CT, SOC content, mean weight diameter (MWD), geometric mean diameter (GMD), and fractal dimensions (FD) under NTS were increased 25%, 21%, 19%, and 12%, respectively, in the 0-20 cm depth. In 20-40 cm depth, the soil micro-aggregates were higher under CTS treatment. Percentages of macroaggregates and microaggregates under NTS were increased 60% and 40% in the 0-20 cm depth. The SOC had positive linear relationship with MWD, GMD, > 5, 2-5, 1-2, and 0.25-0.5 mm aggregates. Thus, long-term combine use of NT with straw returning practices significantly improved SOC and water-stable aggregation. No-tillage and straw returning appeared to be promising and sustainable strategies to conserve SOC sequestration and stable soil aggregates in rice-rape cropping system.

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Section: Introductionmentioning

confidence: 99%

Integrative effects of no-tillage and straw returning on soil organic carbón and water stable aggregation under rice-rape rotation

Kubar¹,

Li²,

Lu³

et al. 2018

Chil. j. agric. res.

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“…Nesse sentido, os sistemas conservacionistas de manejo do solo podem reduzir os impactos sobre a biodiversidade edáfica por revolverem o solo somente na linha de semeadura, manterem o solo coberto com resíduos culturais e adotarem rotação de culturas, o que pode elevar o teor de carbono orgânico total e nutrientes no solo (Paul et al, 2013). Além disso, podem melhorar os seus atributos físicos e químicos, quando comparados com manejos inadequados, associados à monocultura e ao preparo excessivo do solo Martínez et al, 2013), que reduzem a quantidade e qualidade dos resíduos orgânicos, o que limitaria o estabelecimento de determinados táxons (Baini et al, 2012;Ashford et al, 2013).…”

Section: Introductionunclassified

Macrofauna Edáfica e Atributos Físicos e Químicos em Sistemas de Uso do Solo no Planalto Catarinense

Rosa

Filho

Bartz

et al. 2015

Rev. Bras. Ciênc. Solo

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resuMo o uso do solo pode alterar processos como decomposição da matéria orgânica, ciclagem de nutrientes e agregação das partículas e, com isso, influenciar a ocorrência da macrofauna. objetivou-se com este estudo relacionar os sistemas de uso do solo e os efeitos deles sobre a distribuição de grupos da macrofauna do solo, bem como a relação desses com os atributos físicos e químicos do solo. Os sistemas de uso do solo avaliados foram: floresta nativa, reflorestamento de eucalipto, pastagem, integração lavoura-pecuária e lavoura com sistema plantio direto. as amostras foram coletadas em uma grade de amostragem de 3 × 3, totalizando nove pontos, distanciados entre si em 30 m, no inverno e verão, em três municípios do Planalto sul-catarinense, considerados réplicas verdadeiras. as avaliações foram de atributos físicos e químicos do solo e da abundância e diversidade da macrofauna, coletada pelo método Tropical Soil Biology and Fertility (tsBf). os organismos do solo são pertencentes a 16 grupos taxonômicos, com 4.702 indivíduos m -2 no inverno e 7.438 indivíduos m -2 no verão. Houve interação entre época e sistemas de uso do solo, com flutuação populacional dos organismos dependente do uso e com relação aos atributos físicos e químicos do solo, evidenciada pela análise de redundância, que apresentou alta correlação entre variáveis ambientais e fauna do solo. As mudanças na composição da macrofauna do solo foram observadas nos seus sistemas de uso, que tiveram maior intervenção antrópica. Floresta nativa, reflorestamento de eucalipto e pastagem são mais estáveis em termos de Recebido para publicação em 21 de janeiro de 2015 e aprovado em 3 de setembro de 2015.

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“…Conversion of grasslands to agriculture reduces the amount of SOC (Guo & Gifford, 2002). Agriculture management allows for increased degradation of soil C due to tillage (Six et al, 1999;Paul et al, 2013), and removal of plant biomass that would add to soil C if left on site. Carbon mineralization had a net increase during the year for the first two years of the study but had an overall reduction in C mineralization after three years.…”

Section: Discussionmentioning

confidence: 99%

The Influence of Bahiagrass, Tillage, and cover crops on Organic Vegetable Production and Soil Quality in the Southern Coastal Plain

Bliss¹,

Andersen²,

Brodbeck³

et al. 2016

SAR

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Conventional farming utilizing bahiagrass (Papsalum notatum Flugge) in rotation with crops has been shown to increase yield, improve soil quality, and decrease weed and disease pressure. Organic production systems in the Southern Coastal Plain are challenged with limited soil fertility and a wide array of insect, disease, and weed pests. The purpose of this study was to investigate the influence of sequential years in bahiagrass and tillage (conventional and conservation) on organic vegetable yield and soil indices. After 0-4 years in bahiagrass, a crop rotation of rye and oats (winter cover crop), bush beans (spring vegetable crop), soybean (summer cover crop), and broccoli (fall vegetable crop) was implemented. Vegetable crop yields, plant biomass, plant C and N, and soil C, N, and P were measured for the four crops in the rotation over a three year period. Two years or more of bahiagrass prior to initiating the vegetable crop rotation showed positive effects on vegetable crop yields and soil quality parameters. Tillage treatments did not have a consistent effect on measured parameters. Soil C was not impacted by years in bahiagrass but was influenced by years of crop production. Potential soil N and P mineralization indicated an increase of soil organic fractions with years in bahiagrass. Available N increased after cover crops, and available P decreased with increasing years in bahiagrass.

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Medium-term impact of tillage and residue management on soil aggregate stability, soil carbon and crop productivity

Cited by 214 publications

References 43 publications

Integrative effects of no-tillage and straw returning on soil organic carbón and water stable aggregation under rice-rape rotation

Integrative effects of no-tillage and straw returning on soil organic carbón and water stable aggregation under rice-rape rotation

Macrofauna Edáfica e Atributos Físicos e Químicos em Sistemas de Uso do Solo no Planalto Catarinense

The Influence of Bahiagrass, Tillage, and cover crops on Organic Vegetable Production and Soil Quality in the Southern Coastal Plain

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