Science Fair Project “Best Compost Fertilizer for Growing Marigolds”. Luke McClurg 9 th Grade Biology. Explore My Project!. Standards Problem and Hypothesis Procedures Supplemental Research & Procedures Data Sheets Conclusion Picture Tour
Ecology – 6d, 6e, 6f
Cell Biology - 1, 1f
Productivity Tools – 3a,3b
Communication Tools – 4b
Research Tools – 5a, 5b, 5c
Problem-Solving & Decision-Making Tools – 6a, 6b, 6c
Please click to continue.
The secondary nutrients are already found in most soil and don’t need to be added with most fertilizers or composts. Calcium helps cell formation, growth , and roots. Magnesium helps form the chlorophyll molecules in the cells of green leaves. Sulfur acts with nitrogen in producing protoplasm for plant cells. The micronutrients (ZN and MN) or trace elements are also needed but in very small quantities. They help plants be able to use the other nutrients that are present and help with chlorophyll formation (Fe)
The research shows that compost made from multiple organic substances should hold a higher nutrient content and therefore promote growth and flowering the best. This nutrient theory is what I based my hypothesis on. The compost pile with garden clippings and kitchen waste should provide the soil with the most nutrients.
Please click to continue.
Another condition for germination is temperature control. A steady temperature is critical during the early stages of germination. Also seeds must be kept constantly moist and in a loose medium.
The materials used were a 38 x 25 x 4 cm glass baking dish, paper towels, plastic wrap, and two packets of Ferry Morse Petite Yellow Marigold seeds. The pan was lined with paper towels to provide a loose fiber medium. The seeds were spread out so they weren’t touching. The towels were soaked in water from a spray bottle and the pan was covered with plastic wrap to keep the moisture in. The pan was kept on a kitchen counter with access to indirect sunlight and kept at a constant temperature of between 67- 73 Fahrenheit. Within two days the roots were breaking out of the seed coat and on the third day young shoots had formed in more of the seeds. The seedlings were planted in the compost mixtures on the 8th day after they were approximately 5cm in length from the end of the root to the tips of the leaves.
Marigold Height steady temperature is critical during the early stages of germination. Also seeds must be kept constantly moist and in a loose medium. From Seedlings To Six Weeks Of Growth
Please click here to continue.