Cultivo De Repollo en Aserrin De Pino Tratado Con Cepas De Agaricales

F, Eduardo Valenzuela; S, Nancy Andrade

doi:10.22370/bolmicol.2002.17.0.440

Bol. Micol.

2002

DOI: 10.22370/bolmicol.2002.17.0.440

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Cultivo De Repollo en Aserrin De Pino Tratado Con Cepas De Agaricales

Eduardo Valenzuela F

Nancy Andrade S

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2012

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“…Sawdust tends to favor water retention in heavy textured soils and contributes to the dynamics of nutrients elements and exchangeable bases (Grez y Gerding, 1995). Sawdust mixed with organic waste can improve physical, chemical, and nutritional properties of soils (Valenzuela and Andrade, 2002). A study showed that sawdust can improve the physical characteristics of pig slurry (Varnero et al, 2007).…”

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confidence: 99%

Effect of sewage sludge and sawdust in association with hybrid ryegrass (Lolium x hybrydum Hausskin.) on soil macroaggregates and water content

E¹,

Celis²,

P³

2012

Chilean J. Agric. Res.

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Chilean soils degradation is a serious problem affecting directly the productivity of most of the crops. Some evidence indicates sewage sludge can improve soil physical properties, especially when combined with sawdust. The objective of this work was to evaluate the effect of different mixtures of sewage sludge (LU) and sawdust (RA) on water-stable aggregates and available water content of a degraded Alfisol cropped with hybrid ryegrass (Lolium × hybridum Hausskn.), under greenhouse conditions. The experimental design was a completely randomized with a factorial arrangement of 2 × 9 (ryegrass × rates of sludge and sawdust). Treatments were 25 and 50 Mg LU ha -1 mixed with 10, 25, and 50 Mg RA ha -1 . Ratio mixtures of LU/RA were set in pots with hybrid ryegrass. Soil available water content (AW), percentage of macroaggregates (MA) and water-stable aggregates (AWD) were evaluated. Ryegrass aboveground biomass was also measured. Mixtures of LU/RA amended to the soil increased MA and AWD, an effect that was most evident at 50 Mg ha -1 . The AW value was greater when LU was amended to 50 Mg ha -1 mixed with RA at doses of 10, 25, and 50 Mg ha -1. There was greater aboveground biomass of hybrid ryegrass, directly related to increasing doses of LU and RA in the mixtures. The addition to soil of both organic residues combined, LU and RA, improved the physical parameters studied, especially in the presence of hybrid ryegrass.

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mentioning

confidence: 99%

Effect of sewage sludge and sawdust in association with hybrid ryegrass (Lolium x hybrydum Hausskin.) on soil macroaggregates and water content

E¹,

Celis²,

P³

2012

Chilean J. Agric. Res.

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show abstract

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Cultivo De Repollo en Aserrin De Pino Tratado Con Cepas De Agaricales

Cited by 1 publication

References 4 publications

Effect of sewage sludge and sawdust in association with hybrid ryegrass (Lolium x hybrydum Hausskin.) on soil macroaggregates and water content

Effect of sewage sludge and sawdust in association with hybrid ryegrass (Lolium x hybrydum Hausskin.) on soil macroaggregates and water content

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