APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

OKPON , S. N., en 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 (9e ed.) Bronvermelding

OKPON , S. N., en 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.

Let op: Deze citaties zijn niet altijd 100% accuraat.