DASS, Anchal; VYAS, A. K.; KAUR, Ramanjit. Nitrogen management in Precision Farming by Soil Plant Analyses Development Meter. Indian Farming, Delhi, India, v. 63, n. 12, 2015. Disponível em: https://epubs.icar.org.in/index.php/IndFarm/article/view/49673. Acesso em: 3 nov. 2025.