Soybean is one of the important food commodities in Indonesia which occupies third position after rice and corn. In 2020, soybean production reached 632.3 tons but decreased by 3.01% to 613.3 2021 predicted continue decline until 2024. Whitefly (Bemisia tabaci) pests on soybeans. also a viral vector. The purpose this study was obtain refugia plants were effective suppressing whitefly pest popul...

Modeling of the plant growth can be visualized using the approach of Lindenmayer System (L-System). This L-System models the plants growth by following the production rules, which are the combination of grammar and mathematic formulae. In this paper, we propose the use of fuzzy mamdani, to model the plant growth based on the current environment condition. The varied amount of fertilizer, both o...