SHARMA, R P; SINGH, S K; CHANDRAN, P; CHATTARAJ, S. Development of soil health card (SHC) using GIS technique. Indian Farming, Delhi, India, v. 70, n. 3, 2020. Disponível em: https://epubs.icar.org.in/index.php/IndFarm/article/view/105425. Acesso em: 7 aug. 2026.