38,465 real projects from ISEF, the Canada-Wide Science Fair, JSHS, AJAS, the Calgary Youth Science Fair and the California Science & Engineering Fair — searchable by meaning, and filterable by fair, year, category and award.
CSEF · 2026
Plant Biology (Senior Division)
The San Joaquin Valley is one of the most productive agricultural regions in the world; however, heavy reliance on synthetic fertilizers has disrupted soil nutrient balance and electrical co…
ISEF · 2026
Plant Sciences Third Award
Orchids are plants with challenging propagation; therefore, in vitro cultivation is a viable alternative for seedling production, despite its high cost. Additionally, growth is slow, and the…
ISEF · 2026
Plant Sciences
Current plant monitoring systems often rely on reactive visual inspections or invasive analysis, detecting issues only after physiological damage has occurred. To address this, we present a…
CSEF · 2026
Plant Biology (Senior Division) Fourth Award
This study examines a precision nutrient and pH regulation method designed to improve plant growth and resource efficiency. As global food demand increases, crops are often grown in conditio…
ISEF · 2026
Plant Sciences
Powdery mildew is one of the most widespread and damaging agricultural diseases in the world. As the nation's leading agricultural region, Fresno, California’s 9 billion annual crop revenue…
CSEF · 2026
Plant Biology (Senior Division) Honorable_mention Award
As one of the nation's leading agricultural regions, Fresno, California produces more than $9 billion in crops annually. Powdery mildew disease poses a significant threat, affecting high val…
ISEF · 2026
Plant Sciences
Salinity in soil is one of the greatest environmental stressors for plants. It has been estimated that worldwide 20% of total cultivated and 30% of irrigated agricultural lands are afflicted…
CSEF · 2026
Plant Biology (Senior Division) Third Award
Soil salinization is a global issue affecting an estimated 20% of irrigated land and costing approximately $27 billion annually in lost productivity. Traditional monitoring relies on visual…
ISEF · 2026
Plant Sciences
Paclitaxel, a critical plant-derived chemical harvested from yew trees, is implemented in numerous applications including various chemotherapy treatments. The conventional method of paclitax…
ISEF · 2026
Plant Sciences
The danish oceans, fjords and lakes are oxygen deficient due to excessive rain washing fertilizer and pesticides into them. This results in a critical reduction of the biodiversity in these…
ISEF · 2026
Plant Sciences
Pests are a serious problem as they cause drastic negative impacts on global food production. The current solution, using pesticides, causes even bigger issues: having detrimental impacts on…
CSEF · 2026
Plant Biology (Junior Division)
One of the greatest challenges of human space exploration — whether to the Moon, Mars, or beyond — will be learning how to grow food far from Earth. This project investigated how different g…
CSEF · 2026
Plant Biology (Senior Division)
The increase in the population of the invasive, allelopathic plant species Brassica nigra could have a negative impact on native plant species by decreasing the amount of beneficial fungi, a…
CSEF · 2026
Plant Biology (Senior Division)
To meet the world’s growing demands for food, the agricultural industry is constantly striving to find ways of efficiently improving food production. Electroculture is a movement that claims…
CSEF · 2026
Plant Biology (Junior Division)
Coffee contains many different components, each with their own effect on seed growth. Most research centers around the specific components rather than coffee as a whole. This project looks a…
CSEF · 2026
Plant Biology (Junior Division)
As the size of the world’s population and the need for food increases, new techniques must be developed to farm more efficiently. Prior research indicates that red light can be beneficial to…
ISEF · 2026
Plant Sciences
Glycine max (soybeans) hold significant global agricultural and economic values. Although caffeine is used as a soil fertilizer, it could inflict adverse effects on the seed itself, hinderin…
ISEF · 2026
Plant Sciences
Advancements in plant science have striven to breed more resilient crops to address the pressing contemporary issues of food insecurity, which require a concrete understanding of the nutriti…
CSEF · 2026
Plant Biology (Senior Division)
The health benefits of vitamin C are known for its ability to act as an antioxidant, used in skin serums, consumed through fruit, and strengthen our overall health and immune system. When we…
ISEF · 2026
Plant Sciences
Soil Salinization accelerated by sea-level rise and salt-water intrusion poses a critical threat to global food security, significantly impacting staple crops like rice (Genua-Olmedo et al.,…
CSEF · 2026
Plant Biology (Senior Division)
Climate-change induced drought stress has intensified the need for sustainable and resilient agricultural practices. Among various techniques, biopriming with plant growth–promoting rhizobac…
CSEF · 2026
Plant Biology (Junior Division)
Two contributors to global warming are the disposal of keratinous waste in landfills and the chemical synthesis of nitrogen fertilizers. These create greenhouse gases, pollutants, and health…
ISEF · 2026
Plant Sciences
The Normalized Difference Vegetation Index (NDVI) measures the health of plants. This project used two cameras, one measuring red light and the other near infrared light, to calculate the ND…
ISEF · 2026
Plant Sciences Third Award
Due to population growth, demand for crop yields is rising, leading to greater use of environmentally harmful chemical fertilizers. Stressors (e.g., water, salinity stress) complicate this i…
CSEF · 2026
Plant Biology (Junior Division)
For our project we wanted to see if there was a difference in old growth redwood forests tree and shrub diversity between high elevation and low elevation. Our hypothesis was that low elevat…
ISEF · 2026
Plant Sciences
This study investigated the water absorption capacity of grapevines in the Bündner Herrschaft, a viticultural region in the canton of Grisons, Switzerland. It examined how soil types influen…
CSEF · 2026
Plant Biology (Junior Division)
The population is expected to reach 9.8 billion by 2050, and global food demand is increasing rapidly. Synthetic fertilizers are currently responsible for 50% of global crop production. Thes…
ISEF · 2026
Plant Sciences Second Award
The fall armyworm is a destructive pest affecting more than 80 plant species, most notably maize, resulting in an estimated $9.4 billion in annual agricultural losses. As the global populati…
ISEF · 2025
Plant Sciences Fourth Award
Microplastics, originating from various sources, threaten ecosystems such as the Gulf of Mexico, where they accumulate in food chains and impact vast wildlife & humans. On the other hand, mi…
ISEF · 2025
Plant Sciences
This project investigated how allelopathic compounds from the invasive Cynara cardunculus (artichoke thistle) affect native species in the endangered coastal sage scrub habitat (CSS) at Blac…