Fertilizer and Sweet Pea Growth
Overview
Objectives/Goals The objective of my experiment was to find out what fertilizer made sweet peas grow the most. I believed that the two conditions treated with worm compost tea and regular water would grow the most. Methods/Materials I planted sweet peas in a soil mix and treated 6 different groups: plain water, worm compost tea, and four different fertilizers: nitrogen, phosphorus, potassium, and micro-nutrients. There were five plants in each condition. I measured the height three times and calculated the difference in centimeters. Results The peas treated with worm compost tea grew the most. Conclusions/Discussion My hypothesis was proven accurate. The measurements were close between worm coompost tea and phosphorus fertilizer, and with more time for the peas to mature, a stronger conclusion might be reached. I learned that I cannot compare height if the plants are not the same height before I start to treat with different fertilizer.
Summary statement
My experiment compared the growth of sweet peas treated with N-P-K, micro-nutrients, and worm compost tea.
Help received
Mother helped me edit report
Competition history
- CSEF 2008
Resources
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Source: California Science & Engineering Fair public projects