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Phosphorus in action biological processes in soil phosphorus cycling
Được phát hành 2011Available for University of the Philippines Diliman via SpringerLink. Click here to access
Electronic Resource -
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Status of phosphoros in the rain forest ecosystem of Mt. Pangasngan, Leyte, Philippines
Xuất bản năm Annals of Tropical Research (2005)Bài viết -
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Environmental fate of macro-elements in upland soils under different land uses in Rizal
Được phát hành 2004Luận văn -
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Mineralization of organic phosphorus in a subtropical freshwater wetland
Được phát hành 2000Full text access requires UP Webmail login
Electronic Resource -
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Ecological study of the Bontoc rice paddy system a case of human-environment interaction
Được phát hành 1982Analytics -
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Availability of inorganic phosphorus fractions and organic phosphorus accumulation in rice soils [microform].
Được phát hành 1977Visual Material -
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The phosphate supply pattern of some Philippine soils with high and low phosphorus contents [microform].
Được phát hành 1977Visual Material