AND A.K. PATRA, Trisha Roy, R.D. Singh, D.R. Biswas. Effect of Sewage Sludge and Inorganic Fertilizers on Productivity and Micronutrients Accumulation by Palak (Beta vulgaris) and their Availability in a Typic Haplustept. Journal of the Indian Society of Soil Science, India, v. 61, n. 3, 2013. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/35620. Acesso em: 30 oct. 2025.