P. I. Moraru and  T. Rusu,  Effect of Different Tillage Systems on Soil Properties and Production on Wheat, Maize and Soybean Crop.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 1027 - 1030
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/17262.