SHARMA, Rakesh; SOOD, Kunal. Soil fertility appraisal for apple orchards of Himachal Pradesh using GPS and GIS techniques. Indian Journal of Horticulture, [S. l.], v. 76, n. 03, p. 417–422, 2019. DOI: 10.5958/0974-0112.2019.00067.7. Disponível em: https://journal.iahs.org.in/index.php/ijh/article/view/333. Acesso em: 4 feb. 2025.