SINGH, R. V.; SHARMA, K. C. Effect of Soil and Humus Mix on the Growth of Container Grown Spruce and Silver Fir Plants. Indian Forester, [S. l.], v. 109, n. 4, p. 193–197, 1983. DOI: 10.36808/if/1983/v109i4/10618. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/10618. Acesso em: 27 dec. 2025.