3 in 1 disc ridger: development of an improved implement for sweet potato plant-bed making, fertilizing and mechanical weeding

di Anuar Abdullah, Nurul Afza Karim, Md. Akhir Hamid, Shahmihaizan Mat Jusoh, Mohd Fazly Mail, Khairul Idzwan Ayub, Norahshekin Abdul Rahman, Zawayi Mat
Pubblicazione 2022