Bøger af Henry N. Le Houerou

2 The Pilot Zone of the FerIo . 2 Climate . 3 Monitoring . 2 Evaluation of Green Herbaceous Biomass by Orbital Remote Sensing . 3 Evaluation of Range Production from Ground Sampling . 4 Low Altitude Systematic Reconnaissance Flights (SRF) . 233 8 General Conclusions: Towards an Ecological Management of the Sahelian Ecosystems .