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Balwinder Kumar, U S Tiwana, Ajaib Singh, Hari Ram. Productivity and quality of intercropped maize (Zea mays L.) + cowpea [Vigna unguiculata (L.) Walp.] fodder as influenced by nitrogen and phosphorus levels. RMA [Internet]. 2021 Nov. 20 [cited 2025 May 24];35(2):263-7. Available from: https://publications.rmsi.in/index.php/rma/article/view/397