OKPON , S. N., & ADUAYI, E. A. (2020). EFFECT OF NITROGEN FERTILIZER SOURCES ON THE QUALITY AND MINERAL NUTRIENT COMPOSITION OF YAM. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
Čikaški stil citiranja (17. izdanje)OKPON , S. N., i E. A. ADUAYI. EFFECT OF NITROGEN FERTILIZER SOURCES ON THE QUALITY AND MINERAL NUTRIENT COMPOSITION OF YAM. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.
MLA način citiranja (9. izdanje)OKPON , S. N., i E. A. ADUAYI. EFFECT OF NITROGEN FERTILIZER SOURCES ON THE QUALITY AND MINERAL NUTRIENT COMPOSITION OF YAM. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.
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