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10
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Mining and Manufacture of Fertilizing Materials and Their Relation to Soils
LLOYD, S.L.
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The Diagnosis of Mineral Deficiencies in Plants
WALLACE, T
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mixed material
Fertilisers Methods of Analysis used in OEEC countries
Organisation for European Economic Co-operation
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Fertilisers and Manures
HALL, A.D.
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commercial Fertilizers
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Gampang - Gampang Susah Mengorganisasikan Petani. Kajian Teori dan Praktik Sosiologi Lembaga dan Organisasi
SYAHYUTI
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mixed material
Bogor
IPB Press
2011
Advances in agronomy. Vol. 29
ADVANCES IN AGRONOMY
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mixed material