Giordano DM, Facchinetti D, Pessina D. The spading machine as an alternative to the plough for the primary tillage. J Agric Eng [Internet]. 2015 Apr. 21 [cited 2024 Nov. 22];46(1):36-40. Available from: https://www.agroengineering.org/jae/article/view/jae.2015.445