1. Adamchuk, V.I., 2000. Automated mapping of soil pH, potassium and mechanical impedance for site-specific management. Ph.D. dissertation. Purdue University, West Lafayette, Indiana.
2. Adamchuk, V.I., Dobermann, A., Morgan, M.T., Brouder, S.M., 2002. Feasibility of on-the-go mapping of soil nitrate and potassium using ion-selective electrodes, ASAE Paper No. 02-1183. ASAE, St. Joseph, MI.
3. On-the-go soil sensors for precision agriculture;Adamchuk;Comput. Electron. Agric.,2004
4. On-the-go mapping of soil properties using ion-selective electrodes;Adamchuk,2003
5. An automated sampling system for measuring soil pH;Adamchuk;Trans. ASAE,1999