<> "The repository administrator has not yet configured an RDF license."^^ . <> . . . "Conservation-effective farming systems for the semi-arid tropics"^^ . "Soil losses by erosion and water losses as uncontrolled runoff have clear and immediate impacts on farm productivity. The interrelationships between erosional losses and productivity are consistent and quantitatively predictable..."^^ . "1983" . . . "ICRISAT"^^ . . . . . . . "S A"^^ . "El-Swaify"^^ . "S A El-Swaify"^^ . . . . . . "Conservation-effective farming systems for the semi-arid tropics (PDF)"^^ . . . . . "Conservation-effective farming systems for the semi-arid tropics (Other)"^^ . . . . . . "Conservation-effective farming systems for the semi-arid tropics (Other)"^^ . . . . . . "Conservation-effective farming systems for the semi-arid tropics (Other)"^^ . . . . . . "Conservation-effective farming systems for the semi-arid tropics (Other)"^^ . . . . . . "Conservation-effective farming systems for the semi-arid tropics (Other)"^^ . . . . . "HTML Summary of #7755 \n\nConservation-effective farming systems for the semi-arid tropics\n\n" . "text/html" . . . "Others"@en . .