Madagascar

Madagascar EcosolsEco&Sols is hosted by the Radioisotope Laboratory (LRI) at the University of Antananarivo.

The three research themes of Eco&Sols are studied in Madagascar in various farming systems: direct drilled rice crops, agroforestry systems, etc.

The LRI has the equipment required for routine soil analyses: soil preparation, soil sample library and standard texture, organic matter, mineral N, pH and CEC analyses, using continuous flow analysis and atomic absorption spectroscopy. It also has a diffuse reflectance (mid-)infrared fourier transform spectroscope (DRIFT) and a microcatharometer for gas analysis (CO2, N2O, CH4).

The LRI also has a soil biology laboratory for extracting, observing and handling the various soil organisms: bacteria, microfauna, macrofauna.

Equipment for particle size and densitometric separation and for soil incubation to measure microbial activity is available, as well as a greenhouse for plant trials.

A 32P measurement system, approved by the International Atomic Energy Agency (AIEA), is available for isotope dilution analysis.

Research projects

Partners

Publications

Andriamananjara A., Morel C., Rabeharisoa L., Masse D. and Drevon J-J. (2015) Genotypic variation of Vigna subterranea for phosphorus availability in rhizotron experiment. Soumis à Journal of Plant Nutrition and Soil Science

Bernard L., Chapuis-Lardy L., Razafimbelo T., Razafindrakoto M., Pablo A.L., Legname E., Poulain J., Brüls T., O’Donohue M., Brauman A., Chotte J.L. & Blanchart E. (2012) Endogeic earthworms shape bacterial functional communities and affect organic matter mineralization in a tropical soil. The ISME Journal, 6 : 213-222.

Contact

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IRD Madagascar BP 434 101 Antananarivo MADAGASCAR

Tel: (+261) 32 04 782 60; Fax: (+261) 20 22 369 82

 

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