1.
M.K. SINGH, U.N. VERMA, S.K. PAL, R. THAKUR. Efficacy of slow release nitrogen-fertilizers to rice (Oryza sativa) and their residual effect on wheat (Triticum aestivum). IJA [Internet]. 2001 Oct. 10 [cited 2026 Jun. 25];44(1):44_1 . Available from: https://pub.isa-india.in/index.php/ija/article/view/3472