Rahhutami, R. and Sudirman Yahya, S. (2015) “Optimization and Effect of N , P, and K Single Fertilizer Package Rate on Two Years Old Immature Oil Palm (<i>Elaeis guineensis</i> Jacq.)”, Asian Journal of Applied Sciences, 3(3). Available at: https://www.ajouronline.com/index.php/AJAS/article/view/2670 (Accessed: 25 April 2024).