Mepụta nsụgharị dị mgbagwoju anya nke ahịrịokwu a Bayóvar na-anọchi anya otu n'ime nnukwu nchekwa phosphate na Peru na-echere ego nke 238 nde tọn ore.
N'ezie, nsụgharị dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Bayóvar na-anọchite anya otu n'ime nnukwu nchekwa phosphate na Peru nwere atụmatụ echekwara nke 238 nde tọn nke ore grading 29% P 2 O 5. "