Effect of Manure and Fertilizer Nitrogen Doses on Growth and Crop Kale Army (Ipomeae Reptan Poir). agriscience [Internet]. 2021 Jul. 5 [cited 2025 Jul. 4];1(2):68-74. Available from: https://agriculturalscience.unmerbaya.ac.id/index.php/agriscience/article/view/9