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USDA

YieldStack is an open-source agricultural intelligence platform that helps farmers and researchers optimize water usage, nitrogen application, and crop performance through modular AI systems, real-time sensor data, and agronomic modeling. Built under the AGPL-3.0+ license, it emphasizes transparency, explainability, and interoperability, enabling sustainable farming decisions that reduce waste, improve yields, and support long-term soil health.

A tool for estimating USDA plant hardiness zones worldwide for arbitrary plant species.