Assessment of the nitrogen management strategy using an optical sensor for irrigated wheatBijay Sıngh, Raj Kumar Gupta, O. P. Choudhary et al.|Agronomy for Sustainable Development|2011Cited by 119
Site-specific fertilizer nitrogen management in irrigated transplanted rice (Oryza sativa) using an optical sensorBijay Sıngh, Raj Kumar Gupta, Varinderpal Singh et al.|Precision Agriculture|2015Cited by 81
Technology Options for Rice in the Rice–Wheat System in South AsiaBalasubramanian Vethaiya, Yadvinder‐Singh, J. K. Ladha et al.|ASA special publication|2003Cited by 55
Fertilizer Nitrogen Management in Irrigated Transplanted Rice Using Dynamic Threshold Greenness of LeavesBijay Sıngh, Raj Kumar Gupta, Yadvinder‐Singh et al.|Agricultural Research|2016Cited by 11