{"slug":"2plant","name":"2plant (NVS-knot)","hackathon":"nasa-space-apps-2024","tagline":"Two weeks of daily planting windows per 100 m of field: is there enough moisture to germinate, and is the ground safe for machinery?","placement":{"status":"track-winner","awards":["Galactic Impact"],"track":"earth-observation-agriculture"},"team":{"size":4,"members":[],"countries":["UA"]},"problem":"At planting, too little soil moisture kills germination and too much bogs down equipment; farmers rely on weather forecasts because field probes are costly and cannot forecast.","solution":"A pre-planting soil moisture service that fuses SMAP/AMSR2 surface moisture, evapotranspiration and forecast ensembles through a reformulated exponential filter into root-zone estimates with propagated uncertainty. It scores moisture sufficiency and saturation risk at 15 cm and rates each day poor, fair, good or best for planting, with a 'second opinion' tab showing raw moisture and uncertainty.","demo_moment":null,"build_style":"software-only","tech":{"stack":["smap","modis-lst","ecostress","earthaccess","meteomatics-api","cloud-backend"],"ai_patterns":[]},"domains":["agriculture-food","earth-observation"],"analysis":{"why_it_stood_out":[{"claim":"Won the award for the most potential to improve life on Earth or in the universe.","basis":"organizer-stated","source":1},{"claim":"Assessed planting conditions from surface soil moisture and evapotranspiration data and built an app that lets farmers manage planting risks.","basis":"organizer-stated","source":0},{"claim":"Reports accuracy against ground truth: about 0.03 m³/m³ root-zone error, close to calibrated probes, and 0.64 mm daily ET error against flux towers, with literature citations.","basis":"team-stated","source":2},{"claim":"Built on an existing company's science and 2023–2024 farm pilots, answering requests from its customers; the MVP premiered at Space Apps.","basis":"team-stated","source":2},{"claim":"Two plain questions, one timeline of planting windows, and published error bars: impact judges could see both the benefit and why to trust it.","basis":"curator-inference"}],"mechanisms":["visible-engineering-depth","cited-evidence-trust","expert-data-for-everyone","one-sentence-clarity","complete-submission-package"],"judging_lens":["scientific-validity","impact","business-potential"],"lessons":["Publish your error against ground truth; it answers the validity criterion before judges ask.","Reduce a hard model to two farmer questions and a four-level daily rating.","The team brought prior company work and pilots; check the current edition's rules on pre-event work before copying this."],"confidence":"high"},"links":{"project_page":"https://www.spaceappschallenge.org/nasa-space-apps-2024/find-a-team/nvs-knot/?tab=project","demo":"https://nasa.nave-app.com/list-view","video":"https://drive.google.com/file/d/10u8i69xK-b9ojl3y89R0_faH5hKe8Mqu/view"},"sources":[{"url":"https://www.nasa.gov/learning-resources/stem-engagement-at-nasa/nasa-international-space-apps-challenge-announces-2024-global-winners/","kind":"official-results","retrieved_at":"2026-09-14"},{"url":"https://www.spaceappschallenge.org/nasa-space-apps-2024/awards/","kind":"official-event-page","retrieved_at":"2026-09-14","note":"Award definition."},{"url":"https://www.spaceappschallenge.org/nasa-space-apps-2024/find-a-team/nvs-knot/?tab=project","kind":"project-page","retrieved_at":"2026-09-14","note":"Team-written problem, method, accuracy figures with citations, pilot and pricing plans; AI used only for grammar and presentation cartoons."}]}