Modeling Rye and Hairy Vetch Residue Decomposition as a Function of Degree-Days and Decomposition-Days

Ruffo, Matías L.; Bollero, Germán A.

doi:10.2134/agronj2003.0900

Cited by 82 publications

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“…Authors like Ernst et al (2002) have carried out studies on different residues and concluded that the C/N ratio determines its decomposition rate. Ruffo & Bollero (2003) indicated the need for a better knowledge of residue decomposition through research conducted under more realistic field conditions.…”

Section: Discussionmentioning

confidence: 99%

Carbon sequestration potential of residues of different types of cover crops in olive groves under mediterranean climate

Torres

Carbonell-Bojollo

Alcántara

et al. 2012

Span. j. agric. res.

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The maintenance of plant cover between olive grove lanes until the beginning of spring is a soil management alternative that is gradually being adopted by olive growers. As well as protecting the soil from erosion, plant covers have other advantages such as improving the physicochemical properties of the soil, favouring its biodiversity and contributing towards the capturing of atmospheric carbon and its fixation in the soil. A trial was conducted over three growing seasons in an olive plantation situated in southern Spain. It was designed to evaluate the C fixation potential of the residues of the cover species Brachypodium distachyon, Eruca vesicaria, Sinapis alba and of spontaneous weeds; and also to study the decomposition dynamics of plant residues after mowing cover. After 156 and 171 days of decomposition, the species that released the largest amount of C was Brachypodium with values of 2,157 and 1,666 kg ha -1 respectively, while the lowest values of 461 and 509 kg ha -1 were obtained by spontaneous weeds. During the third season (163 days of decomposition) and due to the weather conditions restricting the emergence and growth of cover, spontaneous weeds released the most C with a value of 1,494 kg ha -1 . With respect to the fixation of C, Sinapis records the best results with an increase in soil organic C (SOC) concentration of 7,690 kg ha -1 . Considering the three seasons and a depth of 20 cm, the behaviour sequence of the different species in favouring the fixation of soil organic C was Sinapis > Brachypodium > spontaneous weeds > Eruca.Additional key words: carbon release; cover crops; soil carbon fixation. Resumen Potencial de secuestro de carbono de residuos de diferentes tipos de cubiertas en olivar bajo clima mediterráneoEl mantenimiento de una cubierta vegetal entre líneas de olivo hasta el comienzo de la primavera es una alternativa de manejo de suelo que está siendo gradualmente adoptada por los olivareros. Así como la protección del suelo contra la erosión, las cubiertas vegetales tienen otras ventajas como la mejora de las propiedades físico-químicas del suelo, favorecer su biodiversidad y contribuir a la captura de carbono atmosférico y su fijación en el suelo. Se ha realizado un ensayo durante tres campañas en una plantación de olivos situada en el sur de España. Éste fue diseñado para evaluar el potencial de fijación de C en residuos de cubiertas de las especies Brachypodium distachyon, Eruca vesicaria, Sinapis alba y de hierba espontánea; y también para estudiar la dinámica de descomposición del residuo tras el desbroce de la cubierta. Después de 156 y 171 días de descomposición, la especie que más cantidad de C liberó fue el Brachypodium con un valor de 2.157 y 1.666 kg ha -1 respectivamente, mientras que los valores más bajos fueron 461 y 509 kg ha -1 y se obtuvieron por la hierba espontánea. Durante la 3.ª campaña (163 días de descomposición), debido a las condiciones climáticas, se vio restringida la emergencia y el crecimiento de la cubierta. La hierba espontánea *Correspo...

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Section: Discussionmentioning

confidence: 99%

Carbon sequestration potential of residues of different types of cover crops in olive groves under mediterranean climate

Torres

Carbonell-Bojollo

Alcántara

et al. 2012

Span. j. agric. res.

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“…sown crop production (Czapar et al, 2002;Ruffo and Bollero, 2003;Duiker and Hartwig, 2004;Sweeney and Moyer, 2004;Sainju et al, 2005). The plants are either left as ground-cover continuously after the reproductive phase in the no-tillage system, or are incorporated as green manures at an appropriate time in tillage system.…”

Section: Growth and N 2 Fi Xation Of Fall-sown Hairy Vetchmentioning

confidence: 99%

Effect of Hairy Vetch Incorporated as Green Manure on Growth and N Uptake of Sorghum Crop

Choi

Daimon

2008

Plant Production Science

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“…IR is known to have a high energy content and good profitability. HV is a winter-hardy, leguminous green manure crop that is increasingly used in several countries [5,[11][12][13][14]. HV can be used as winter forage, but it also suppresses weeds and supplies nitrogen to the following summer crop when used as green manure or mulch because of its rapid nitrogen mineralization [13].…”

Section: Introductionmentioning

confidence: 99%

A New Strategy for Utilizing Rice Forage Production Using a No-Tillage System to Enhance the Self-Sufficient Feed Ratio of Small Scale Dairy Farming in Japan

et al. 2014

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Rice forage systems can increase the land use efficiency in paddy fields, improve the self-sufficient feed ratio, and provide environmental benefits for agro-ecosystems. This system often decreased economic benefits compared with those through imported commercial forage feed, particularly in Japan. We observed the productivities of winter forage after rice harvest between conventional tillage (CT) and no-tillage (NT) in a field experiment. An on-farm evaluation was performed to determine the self-sufficient ratio of feed and forage production costs based on farm evaluation of the dairy farmer and the rice grower, who adopted a rice forage system. The field experiment detected no significant difference in forage production and quality between CT and NT after rice harvest. However, the production cost was dramatically decreased by 28.1% in NT compared with CT. The self-sufficient ratio was 5.4% higher when dairy farmers adopted the rice forage system compared with those using the current management system. Therefore, this study demonstrated the positive benefits for dairy farmers and rice growers in Japan when adopting a rice forage system with NT, which could improve the self-sufficient feed ratio and reduce production costs. OPEN ACCESSSustainability 2014, 6 4976

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Modeling Rye and Hairy Vetch Residue Decomposition as a Function of Degree-Days and Decomposition-Days

Cited by 82 publications

References 0 publications

Carbon sequestration potential of residues of different types of cover crops in olive groves under mediterranean climate

Carbon sequestration potential of residues of different types of cover crops in olive groves under mediterranean climate

Effect of Hairy Vetch Incorporated as Green Manure on Growth and N Uptake of Sorghum Crop

A New Strategy for Utilizing Rice Forage Production Using a No-Tillage System to Enhance the Self-Sufficient Feed Ratio of Small Scale Dairy Farming in Japan

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