Plant Irrigation
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Experiments Photosynthesis Warning!
Primary School - Grades K-3
P=Project   E=Experiment
Do Plants Drink? [P]
Growing all year Long with grade one - grass, tulips and amaryllis. [P]
What need plants in order to grow? [P]
What is plant transpiration? [E] [P]
How does acid rain affect plants? [P]
Interdisciplinary Topic: Water
Elementary School - Grades 4-6
P=Project   E=Experiment
What effect does salty water have on plant growth? [E]
Does the pH of Water Affect the Growth of Bean Plants? [E]
Can you sustain a garden using gray water in an environmentally safe manner? [E]
Which plants survive the longest period of time without water? [P]
Do plants grow with a liquid other than water? [P] [P] [P] [P]
Which types of water can germinate and grow plants better? [P] [P]
The effect of water pH levels on the growth rate of plants [P]
The effect of water hardness on the germination of marigold seeds [P]
Which water evaporates faster: salt water, rain water, lake water or tap water? [P]
How different concentrations of salt water affect plants? [P]
Does too much water help plants grow more rapidly? [P]
The effect of the temperature of the water that is given to radishes on their growth. [E]
Interdisciplinary Topic: Water
Middle School - Grades 7-9
P=Project   E=Experiment
Automated Water Management and Monitoring System in Paddy Rice Fields [P] [P]
Build a model of a terraced irrigation system that uses flowing water to transport plastic beads. [E]
A moisture sensor based smart sprinkler system that integrates real time weather forecast data to provide only optimum levels of water required [E]
Reduced Irrigation Effects on Citrus Fruit Size [E]
Compare the efficiency of different types of irrigation: ditch (furrow) irrigation, terracing, overhead (sprinkler) irrigation, center pivot irrigation, lateral move (side roll, wheel line) irrigation, drip or trickle irrigation and subirrigation. [E]
Adjusting Your Sprinklers for Optimal Soil Moisture [E]
The Effect of Watering and Misting with Tea Solutions on Plant Growth [E]
The Effects of Fructose Enhanced Ocean Water on Rice Plant Growth [E]
The Effect of Different Watering Methods on the Growth of Peas [P]
The Effects of Ocean Water as an Irrigation Supplement on the Growth of Rice Seedlings [E]
Tthe effect of salinity of water on seed germination [E]
What are the effects of different liquids on plant growth? [P] [P]
What effect does chlorine have on plant growth? [P] [P]
The Effect of Potable vs. Gray Water on Radish Growth [P]
What is the effect of water temperature on the amount of color in spirogyra plants? [P]
Does flow rate affect water quality parameters (dissolved oxygen, pH, turbidity, and temperature in a stream)? [P]
Electric conductivity as a measure of soil water content for use in watering plants. [E]
Test the effects of salt on canola and its transgenic lines (seed germination and plant growth). [P]
Interdisciplinary Topic: Water
High School - Grades 10-12
P=Project   E=Experiment
An eco-friendly method of sustainable water supply for agricultural fields [P]
Determine whether or not recycled (reclaimed) water would harm California native plant species. [E]
Use vegetable oil as a way to reduce water evaporation from soil by slowing the flow of underground water to the soil surface. [E]
Find the effects of different concentrations of two anionic Polyacrylamides, Amber 1200 and Stockopam, on water infiltration and flocculation in Chualar sandy loam soil. [E]
Determine if plants would die when a saline solution slightly less than the oceans was watered into the soil. [E]
What Can People Do to Conserve Water and Avoid Wet/Dry Spots [E]
pH levels in water and its effect on plants [E]
Will the applying of a low concentration of salicylic acid (SA) to green bean plants reduce damaging effects caused by exposure to salt water stress during early growth. [E]
Determine what type of nozzles have the least amount of drift on average (flat fan, Turbo TeeJet, air induction). [P]
The effect of different pH water levels on coloring agents (pigments) in different flowers. [P]

Interdisciplinary Topic: Water
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Safety Resources [R] [R]
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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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