The Effect of Different Sources of Nitrogen Fertilizer and Types of Ameliorant on Growth and Yield and Nitrogen Uptake Of Pakcoy (Brassica rapa L.) Plants Through Inner Witch System. J. Agroqua [Internet]. 2024 Jun. 28 [cited 2025 Dec. 5];22(1):132-9. Available from: https://journals.unihaz.ac.id/index.php/agroqua/article/view/4396