Phosphate fertilizer use and requirements in the countries of near east and north western africa:  by "B.Amar" (PDF File ; Size 1 Mo ; 56 Ko : 2 min 29 sec)

Diagnostic technique and phosphate fertilization strategies for the mediterranean region: by "B.Amar" (PDF File ; Size 595 Ko ; 56 Ko : 1 min 27 sec)

IMPHOS experience on direct application of phosphate rock in asia:  by "A.Nassir"
(PDF File ; Size 612 Ko ; 56 Ko : 1 min 29 sec)

Phosphorus management for rice production on acid sulfate soils in asia: imphos network in five
countries:  by "A.Nassir" (PDF File ; Size 316 Ko ; 56 Ko : 46 sec)

The importance of phosphate fertilizer for Increased crop production in developing countries: by "L. Cisse & B. Amar" (PDF File ; Size 606 Ko ; 56 Ko : 1 min 28 sec)

Regional differences in the inputs of cadmium to soils: by "J. Keith syers"
(PDF File ; Size 313 Ko ; 56 Ko : 45 sec)