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Pengaruh Zeolit Terhadap Penguapan Gas Amoniak dari Hasil Dekomposisi Bahan Organik
(PERSADA, 2004)
Animal manure has great potential as source of organic fertilizer, but it is also potential as environmentally polluting material...
Prospek Pemanfaatan Mineral Zeolit di Bidang Pertanian
(Ikatan Zeolit Indonesia, 2002)
Prospek mineral zeolit di bidang pertanian...