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    Soil & Hydroponics

    Botany Projects

  • Photosynthesis
  • Seeds & Germination
  • Soils & Hydroponics
  • Soil Organisms
  • Tropism
  • Colors in Botany
  • Irrigation
  • Nutrition (Fertilizers)
  • Plant Hormones
  • Pesticides
  • Organic Agriculture
  • Plant Pollutants
  • Plant Cultivation
  • Plant Physiology
  • Fungi (Mushrooms)
  • Algae
  • Plant Disease
  • Medicinal Plants
  • GMF
  • Weather in Botany
  • Acids in Botany
  • Salt & Sugar

  • Primary School - Grades K-3
    P=Project   E=Experiment
    Aquaponics For Kids [P]
    What need plants in order to grow? [P]
    Does the amount of fertilizer given to a plant affect its growth? [P]
    Soil Organism Science Fair Projects and Experiments
    What Is Hydroponics?
    Elementary School - Grades 4-6
    P=Project   E=Experiment
    Find out what type of grass sod grows back best after burning. [E]
    Which soil absorbs the most water (soil saturation)? [E]
    What is the best depth for growing bean plants in potting soil? [E]
    Which works better with plants, potting soil or compost. [E] [E]
    Determine how different soils affect the growth of pinto beans. [P]
    Discover how much nutrients are in our soil (the amount of pH, potash, nitrogen, and phosphorus). [E]
    The effect of different soil mixtures and types on plant growth [E] [P] [P] [P] [P] [P] [P] [P]
    Do plants grow taller hydroponically or in soil? [P] [P]
    The effect of soil moisture on plant germination and growth [P] [P] [P]
    Which grasses grow best in which kind of soil pH? [P]
    How Does Soil Texture Affect Water Infiltration? [E]
    Soil Organism Science Fair Projects and Experiments
    What Is Hydroponics?
    Middle School - Grades 7-9
    P=Project   E=Experiment
    Compare the rate of growth and plant vigor of hydroponically grown plants to plants grown conventionally, in soil. [E]
    Hydroponics: Gardening Without Soil [E]
    Unique Simplified Hydroponic For Swaziland Poor Subsistence Farmers [P] [P]
    How to increase traditional farming’s crop yield by low cost multi level farming with minimal effect on plants’ growth due to variable amount of sunlight? [P] [P]
    Aquaponics, Hydroponics, or Soil Farming? Determining the Most Eco-Friendly Approach to Feeding the World [E]
    Can common phytohormones aid the early growth of food crops even in poor soil? [P]
    Determine the effects of different soil amendments on the absorption and retention rates of water in the soil. [E]
    Investigated how planting depth of wheat seed affects its rate of emergence from the soil. [E]
    Determine whether no-till or plow-based farming methods are best at retaining surface moisture and preventing surface runoff. [E]
    How Will the Salt Percent Threshold of a Plant Affect Its Next Generation of Offspring? [E]
    Measuring pH change in different soil types when acid is added. [E]
    Dr. Dirt Activities [E]
    Humic Acid and the Optimum Soil for Plants [E]
    Determine whether or not an electric field would affect the growth of a snow pea plant. [E]
    The Effect of Aeration on Compost [E]
    Which method of hydroponics (bubbler method, ebb and flow, wicking) best supports plant growth? [E]
    Determine the different amount of nutrients in soil, comparing potting soil and natural soil, as determined by duckweed. [E]
    Measure the density and porosity of various samples of sand [E]
    Use the line transect method to determine surface residue cover; identify crop effects on residue remaining after harvest; observe residue persistence (sorghum versus cotton, wheat, or soybeans) [E]
    The influence of water, soil color, mulch, soil surface configuration on soil temperature [E]
    The effect of particle size and water content on the ability of a soil to hold together [E]
    Determine how different locations substrates affect the flow rate of water and their permeability to water and prove that drier climates increase the porosity of soil and sand substrates; therefore substrates closer to the center of the desert would have the highest flow rates. [E]
    Calculated Permeability of Coarse Sand, Fine Sand, and Soil [E]
    Determining the Longevity of Insecticide in Different Soil Types [E]
    Determining the Ability of Various Soils to Prohibit Ground Water Contamination [E]
    Analysis of soil samples for their components, ability to hold moisture, fertility and pH [P]
    The Effect of the Type of Soil on the Amount of Chlorophyll in Bean Plants [E]
    Determining the Effects of Nutrient Concentrations on Hydroponically Grown Lettuce [E]
    Determining the effects of different nutrients on the height of hydroponically grown plants [E]
    Determine how Hydroponic and Aeroponic growing systems compare to traditional soil based technology in terms of water consumption, root vigor, and growth rates. [E]
    The Growth Rate of Poa pratensis in Pure Humus and Pure Humus Mixed with Sand [E]
    Do plants grow better in water (hydroponics) or soil? [P] [P] [P]
    The best pH range of soil for plant growth [P] [P] [P]
    The effect of soil type on the absorption of heat and water evaporation [P]
    Absorption of pollutants in different soil types [P]
    Soil temperature vs. seed sprouting [P]
    Which soil amendment, wood ash, coffee grounds, or leaves, best enhances the development of pea and radish plants? [E]
    Does organic material affect the absorbency of water in soil? [P]
    The effect of Clearwater Crystals on the germination rate of mung beans [P]
    The best soil mixture [E]
    The evaluation of nutrient levels in orchard soils [P]
    Are water storing granules (rain drops) in the soil helping to conserve water [E]
    Electric conductivity as a measure of soil water content for use in watering plants. [E]
    Soils as electrical systems [E]
    Test the effects of salt on canola and its transgenic lines (seed germination and plant growth). [P]
    Analyze the absorption of iron in collard greens in the presence of limestone. [E]
    Soil Organism Science Fair Projects and Experiments
    What Is Hydroponics?
    High School - Grades 10-12
    P=Project   E=Experiment
    The Effect of Vertical Gardening on Soil Quality [E]
    The Effect of Different Soil Textures upon the Permeation Rate of Water [E]
    Explore Hydroponics. [P]
    Determine which of four hay crops - barley, oats, vetch, or peas - is most tolerant of saline soils. [E]
    The Effects of Mutualistic and Parasitic Fungus on Plant Growth and Their Soil [E]
    A Study of Zinnia Growth in Four Different Soils [E]
    Soil Acidity and Liming Overview [E]
    What is the effect of changing particle size on the porosity of the soil? [E]
    The effect of cover crop growth time on its effectiveness in enhancing plant growth [E]
    The effect of burned soil on seed germination. [E]
    How is soil quality affected by soil management? [E]
    Soil Organism Science Fair Projects and Experiments
    What Is Hydroponics?
    Useful Links
    Science Fair Projects Resources [R]
    Citation Guides, Style Manuals, Reference [R]
    Safety Resources [R] [R]

    Botany Science Fair Projects Books


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    Last updated: June 2013
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