Browsing DT - Agriculture by Subject "manganese layer"
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Akuntabilitas dan keberlanjutan pengelolaan kawasan terumbu karang di selat Lembeh, kota Bitung
(2009)The aims of the research were: (1) to study the characteristics and genesis of paddy soils at the toposequence with volcanic parent materials in Bogor . Jakarta area, (2) to study the influence of paddy cultivation intensity ...