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The effect of phosphate rock on the upland rice culture in an ultisol, Panama


, : The effect of phosphate rock on the upland rice culture in an ultisol, Panama. Suelos Ecuatoriales 31(2): 112-117

The effect of phosphate rock at 0, 50, 100, 200, and 400 kg P2O5/ha on rice Panama-1048 was studied in a two-year experiment on a clayey Typic Plinthudult.

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