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Yoanma, Agata Desinta and Oktafri, Oktafri and Triyono, Sugeng and Haryanto, Agus (2022) 4. Effect of Coconut Shell Biochar Application on the Effectivity of NPK Fertilizer in Red Onion (Allium ascalonicum L.) Cultivation. Teknik Pertanian Lampung, 11 (1). pp. 1-14. ISSN 2302- 559X

Yoanma, Agata Desinta and Oktafri, Oktafri and Triyono, Sugeng and Haryanto, Agus (2022) Effect of Coconut Shell Biochar Application on the Effectivity of NPK Fertilizer in Red Onion (Allium ascalonicum L.) Cultivation. Jurnal Teknik Pertanian Lampung, 11 (1). pp. 1-4. ISSN 2302-559X