Organic Agriculture
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Experiments Photosynthesis Warning!
Elementary School - Grades 4-6
P=Project   E=Experiment
Find out if the use of vinegar is an effective way of controlling weeds (dandelions) without harming the grass. [P]
What Is Organic Agriculture
Middle School - Grades 7-9
P=Project   E=Experiment
Does Orange Oil Really Work? A Study of Synthetic vs. Organic Pesticides [E]
Determine if adding compost from native trees will improve the growth of vegetation. [E]
Determine the effect of organic fertilizer and natural farming soils (clay soil and sandy loam) on corn plants. [E]
Are Organic and Nonorganic Store Bought Birds (Chickens) Equally Infected with Antibiotic Resistant Bacteria? [E]
Experiments in Organic Agriculture: Improved Rooting & Companion Planting [P]
How fertilizers, inorganic and organic, affect Eisenia fetida's (earthworm) mortality rate and cocoon production [E]
A Comparison of the Effectiveness of Organic Worm Castings and Non-Organic Fertilizers in the Growth of Annual Rye Grass [E]
The effect of rhizobium leguminosarum on pea plants [P]
Is caffeine an effective pesticide against drosophila (fruit fly)? [E] [P]
The effects of crezacin, a synthetic plant adaptogen, on germination rate, growth and weight of pole bean plants. [E]

Organic or inorganic fertilizer, which is better? [E] [E]
Find out which type of soil fertilizer, organic or synthetic, will leach the fastest when water passes through the soil, mimicking different amounts of rain. [E]
Determine the most effective pest control method (organic vs. traditional), and what method produces the best tasting lettuce. [E] [E]
The use of a natural method of allelopathic leaf extract treatments to eradicate Arundo donax (giant reed) in a environmentally-friendly and cost-effective manner. [E]
Does organic material affect the absorbency of water in soil? [P]
The most environmental friendly way to eradicate perennial weeds by using black plastics and cardboards. [E]
Determine the effect of organic pesticides on ladybugs. [P]
Determine what natural pesticide is most effective against crickets. [P]
What Is Organic Agriculture
High School - Grades 10-12
P=Project   E=Experiment
Determine the effects of Neem tree extracts as antibacterial and antifungal agents as well as a pesticidal agent. [P] [P]
Jatropha Curcas Seed Cake as an Organic Fertilizer [P]
Determine if organic lettuce had higher levels of gram-negative bacteria than conventionally grown bacteria. [E]
Organic vs. Non-Organic Fruit's Effect upon Fruit Fly Reproduction with Implications on Human Health [E]
Identify parts of the California Buckeye (Aesculus californica) that are effective as a mosquito larvicide and attempt to pinpoint chemical(s) or compound(s) that are behaving as such. [E]
Alterations of growth and genetic make up due to the injection of organic compounds [E]
Are Organic Tomatoes More Susceptible to Mold than Conventionally Grown Tomatoes? [E]
What Is Organic Agriculture

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Botany Project Ideas
Botany Topics Related Subjects
Seeds & Germination
Soils & Hydroponics
Soil Organisms
Colors in Botany
Weather in Botany
Plant Irrigation
Plant Nutrition
Plant Hormones
Plant Pesticides
UV Radiation Effects
Organic Agriculture
Genetically Modified Food
Plant Pollutants
Plant Cultivation
Plant Physiology
Plant Genetics
Plant Disease
Medicinal Plants
Acids in Botany
Salt & Sugar in Botany
Sun & Light
Environmental Sciences

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Last updated: September 2016
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