Response of Planting Spatial and PGPR (Plant Growth Promoting Rhizobacteria) Concentration of Bamboo Roots on The Growth and Yield of Sweet Corn: Respon Jarak Tanam dan Konsentrasi PGPR (Plant Growth Prommoting Rhizobacteria) Akar Bambu Terhadap Pertumbuhan dan Hasil Tanaman Jagung Manis. nabatia. 2026;14(1):74-84. doi:10.21070/nabatia.v14i1.1705