Sustainable agriculture is one of the important solutions in the face of global climate change and increasing food needs. The use of biomass, compost, and wet ash has been a significant research focus in an effort to increase crop productivity, particularly sweet corn crops, in Ultisol. The purpose of this study is to identify changes in the content of Exchangeable Aluminum and Ferrum in Ultiso…
This research wants to find out how the condition of the wheels slip on a hand tractor that uses iron wheels when cultivating the soil with different speed variations, the size of the iron wheels, and different loads. This research was conducted from May to June 2023 at the Mechanical Laboratory, Soil and Water Engineering, Agricultural Engineering Study Program, as well as the Practicum and Re…