This report presents a quantitative study investigating the impact of different fertilizers (poultry manure, super phosphate, and rock phosphate) on the growth and development of various corn varieties. The research focuses on the role of phosphorus as a micronutrient, analyzing its effects on shoot and root biomass, plant height, and chlorophyll content. The study employs independent variables such as fertilizer type and phosphorus content and dependent variables including shoot biomass, root biomass, chlorophyll content, plant height, and corn variety. The results, presented through graphical representations, show the effects of each fertilizer on different corn varieties. The conclusion highlights the importance of phosphorus in corn cultivation, with super phosphate identified as the most effective fertilizer for enhancing shoot and root biomass, and poultry manure for increasing chlorophyll levels. The report references several studies supporting the findings, emphasizing the significance of phosphorus for cell division, energy transfer, and overall corn plant growth.
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