Theoretical risk ranking of commonly consumed processed Philippine fish species with and without phosphorus-containing additives 著者: Azanza, Maria Patricia V.

Phosphorus in action biological processes in soil phosphorus cycling

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Status of phosphoros in the rain forest ecosystem of Mt. Pangasngan, Leyte, Philippines 著者: Susasya, Janice P.

Environmental fate of macro-elements in upland soils under different land uses in Rizal 著者: Urriza, Gavino Isagani P.

Mineralization of organic phosphorus in a subtropical freshwater wetland 著者: Oña, Teresita Chua

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Ecological study of the Bontoc rice paddy system a case of human-environment interaction 著者: Omengan, Elizabeth A., Sajise, Percy E.

Nitrogen and phosphorus cycles in a Bontoc rice paddy system 著者: Omengan, Elizabeth A.

Basic flow of phosphorus brackishwater fishponds 著者: Baldevarona, Rodolfo B. 1944-

Availability of inorganic phosphorus fractions and organic phosphorus accumulation in rice soils [microform]. 著者: Singlachar, Mandayam Ammanji 1940-

The phosphate supply pattern of some Philippine soils with high and low phosphorus contents [microform]. 著者: Malik, Muhammad Bashir 1935-