Design considerations of variable rate liquid fertilizer applicator for mature oil palm trees

• Main Authors: Yamin, Muhammad, Wan Ismail, Wan Ishak, Abd Aziz, Samsuzana, Mohd Kassim, Muhamad Saufi, Akbar, Farah Naz, Ibrahim, Muhammad
• Format: Article
• Published: Springer 2022
• Online Access: http://psasir.upm.edu.my/id/eprint/100900/; https://link.springer.com/article/10.1007/s11119-022-09892-5

This research study focuses on the design of variable rate liquid fertilizer applicator which can measure the NPK status of soil and applies N, P and K nutrients simultaneously at separate variable rates around the oil palm trees in the form of aqueous solutions of straight fertilizers having single...