Application of Rice-Corn Intercropping as an Optimization of the Land Use Utilization and Increasing of Farmer Income in Playen, GunungkidulDamasus Riyanto, Yustisia, Arif Anshori and Eko SrihartantoE3S Web Conf., 232 (2021) 01033DOI: https://doi.org/10.1051/e3sconf/202123201033