Development of a Low-Cost Smartphone-Integrated Portable Imaging Device for the Determination of Nitrate and Phosphate in Soil and Water http://127.0.0.1/xmlui/handle/123456789/15779 Tue, 28 Apr 2026 07:57:08 GMT 2026-04-28T07:57:08Z Development of a Low-Cost Smartphone-Integrated Portable Imaging Device for the Determination of Nitrate and Phosphate in Soil and Water http://127.0.0.1/xmlui/handle/123456789/15780 Development of a Low-Cost Smartphone-Integrated Portable Imaging Device for the Determination of Nitrate and Phosphate in Soil and Water V, Lavanya Sun, 01 Dec 2024 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/15780 2024-12-01T00:00:00Z