HIGHLIGHTS
- who: Julian D. Colorado and colleagues from the (UNIVERSITY) have published the Article: Estimation of Nitrogen in Rice Crops from UAV-Captured Images, in the Journal: (JOURNAL)
- what: To address this problem, the authors demonstrate a nonlinear trajectory-tracking controller that enables precise UAV positioning through a stabilization/attitude control loop.
SUMMARY
Farmers use soil plant analysis development (SPAD) devices as a field diagnostic tool to estimate nitrogen (N) content in the plant and to predict grain yield. For rice crops, N provides critical insight into plant-growth, crop yield, and . . .

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