IB Environmental systems and societies (ESS) SL Internal Assessment Example

To what extent does the concentration of NPK 20-20-20 fertilizer solution 0.00 mol dm⁻³, 0.10 mol dm⁻³, 0.20 mol dm⁻³, 0.30 mol dm⁻³, 0.40 mol dm⁻³ affect the germination of Phaseolus vulgaris (Cannellini beans) in Mukurweini, Nyeri, as measured by the average radicle length in millimeters (±0.1) seven days after germination under controlled conditions (seed variety, room temperature and watering)?SL