CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR-ICRAF publie chaque année plus de 750 publications sur l’agroforesterie, les forêts et le changement climatique, la restauration des paysages, les droits, la politique forestière et bien d’autres sujets encore, et ce dans plusieurs langues. .

CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR–ICRAF publishes over 750 publications every year on agroforestry, forests and climate change, landscape restoration, rights, forest policy and much more – in multiple languages.

CIFOR–ICRAF addresses local challenges and opportunities while providing solutions to global problems for forests, landscapes, people and the planet.

We deliver actionable evidence and solutions to transform how land is used and how food is produced: conserving and restoring ecosystems, responding to the global climate, malnutrition, biodiversity and desertification crises. In short, improving people’s lives.

Fire as a land management tool in sepunggur Sumatra, Indonesia, can farmers do without it?

Exporter la citation

Small-scale (2-5 ha) farmers in Sepunggur, Sumatra, Indonesia, use fire because it is the cheapest and quickest tool for land clearing . Other benefits, as perceived by the farmers, are an increased soil fertility ascribed to ash addition, soil structure improvement, and a reduction of pests, diseases and regrowth of trees, shrubs and weeds. Extreme pollution from land-clearing fires in 1997, however, emphasized the need for alternative management practices. Slash-sell wood-and-bum is an alternative that could reduce smoke production because large wood stock would be removed and sold before burning. Its viability will, in part, depend on tax policies and the effects of a reduction in fire intensity on fertility of the P-deficient Oxisols of Sepunggur. High intensity broadcast fires (>500'C) increased exchangeable bases and reduced Al-toxicity; however, net losses in soil C, N and available P (measured as BrayP) occurred. Medium intensity fires (250-500'C) led to smaller gains in exchangeable bases and losses in C and N while a gain in available P occurred. The smallest gains in exchangeable bases and losses in C and N were recorded for low intensity fires (
    Année de publication

    1999

    Auteurs

    Ketterings, Q.M.

    Langue

    English

    Géographique

    Indonesia

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