Title

The efficacy of stored human urine as an alternative fertilizer to the growth and development of Abelmoschus esculentus (Okra)

Date of Completion

7-2019

Document Type

Capstone Project

Degree Name

Grade 12

Keywords

Fertilizers, Human Urine, Macronutrients, Soil analysis, Abelmoschus esculentus

Abstract

Fertilizers are commonly termed as any organic or inorganic material that is being added to the soil of the plant to supply for the nutrients that are essential to the growth of the plant. Nitrogen (N), Phosphorus (P), and Potassium (K) are the macronutrients that commonly make up the majority of the components in fertilizers. Human urine is mostly comprised of a plant’s essential nutrients, containing a significant amount of NPK similar to commercially known fertilizers. This research paper studied on how much human urine can be of convenience when used as fertilizers by measuring the plant’s growth and development, and specifically focused on the significant differences in the human urine components and the effects of its growth when stored and diluted for varied hours, specifically for 24 hours, 48 hours, and 72 hours. In this study, soil analysis was conducted to determine the plant’s NPK count, and was carried out after the fertilizer treatments. The NPK content found in the soil had shown some changes and correlation in its amount of composition. It was observed that, overtime, the concentration of N and P was decreased, and at the same time, there was a slight increase in the Phosphorus content. The amount of Potassium affects the photosynthetic abilities of a plant, therefore showing an increase in its growth. The results showed how much diluted human urine when stored for 72 hours can be of most benefit to the plant’s essential nutrients when compared to the others, and also showed the relation between the different treatments when stored for a varied amount of hours.

First Advisor

Myra Michelle M. Mojica

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