Degrading uplands in the rainforest region of Madagascar: Fallow biomass, nutrient stocks, and soil nutrient availability

Soil fertility restoration depends on natural fallows in the slash-and-burn system of eastern Madagascar. In the Beforona-Vohidrazana study zone, none of the fallow species are able to withstand the slashing, burning and cropping frequencies of 3-5 years. Eventually soils are abandoned for agricultu...

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Veröffentlicht in:	Agroforestry systems 2009-10, Vol.77 (2), p.107-122
Hauptverfasser:	Styger, Erika, Fernandes, Erick C. M, Rakotondramasy, Harivelo M, Rajaobelinirina, Eric
Format:	Artikel
Sprache:	eng
Schlagworte:	Agriculture Agronomy. Soil science and plant productions asexual reproduction biogeochemical cycles Biological and medical sciences Biomass Biomedical and Life Sciences cropping systems Cropping systems. Cultivation. Soil tillage Deforestation Diversification dry matter accumulation fallow Farm buildings forest soils Forestry frequency Fundamental and applied biological sciences. Psychology gas emissions General agronomy. Plant production Generalities. Cropping systems and patterns Greenhouse gases highlands Imperata Imperata cylindrica Indigenous species Introduced species Invasive species Land management Land use Life Sciences montane forests Nutrient availability Nutrient cycles nutrient uptake Nutrients Plant species Psiadia Psiadia altissima Rainforests Rubus Rubus moluccanus shifting cultivation Shrubs Slash and burn Soil conservation Soil fertility Soil nutrients Soils temporal variation Trees Trema Trema orientalis tropical rain forests
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