KAJIAN SALURAN IRIGASI TERSIER DI DESA PERCUT DAERAH IRIGASI BANDAR SIDORAS KECAMATAN PERCUT SEI TUAN KABUPATEN DELI SERDANG (Study of Tertiary Irrigation Channel in Percut Village in the Irrigation Areas of Bandar Sidoras Percut Sei Tuan District of Deli - Prawira, Muhammad; Program Studi Keteknikan Pertanian,Fakultas Pertanian USU Jl.Prof.Dr.A.Sofyan No. 3 Kampus USU Medan 20155 (Universitas Sumatera Utara, 2018)