The Application of Rice Hull Mulch and Potassium Nitrate on Growth and Yield of Kailan (Brassica oleraceae var. Long Leaf). j Trop. Soils [Internet]. 2013 Jul. 9 [cited 2025 Nov. 1];16(2):145-50. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/133