SINGH, UMMED; AHLAWAT, I P S. Productivity, nutrient uptake and soil fertility as influenced by phosphorus management in pigeonpea (Cajanus cajan)-wheat (Triticum oesiivum) cropping system. The Indian Journal of Agricultural Sciences, Delhi, India, v. 76, n. 9, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/3066. Acesso em: 4 jul. 2026.