Mutiara C, Bolly YY, Aggrey H. Urea And Kirinyuh Combination on Soil Fertility and Results of Land Kale . Nusantara Sci. Tech. Proc. [Internet]. 2025 Jun. 14 [cited 2025 Jun. 17];2025(49):57-62. Available from: https://nstproceeding.com/index.php/nuscientech/article/view/1517