1. Ahmad AH, Ahmad R, Ahmad N, Tanveer A (2007) Performance of forage sorghum intercropped with forage legumes under different planting patterns. Pak J Bot 39:431–439
2. Akhtar MF, Azraf-ul-Haq Ahmad AH, IbniZamir MS, Khalid F, Mohsin AU, Afzal M (2013) Agro-Qualitative studies on forage sorghum (Sorghum bicolor L.) sown alone and in mixture with forage legumes. Pak J Sci 65(2):179–185
3. Akunda EMW (2001) Crop yields of sorghum and soybeans in an intercrop. J Food Technol Afr 6(1):2–4
4. Andersen MK, Hauggaard-Nielsen H, Ambus P, Jensen ES (2005) Biomass production, symbiotic nitrogen fixation and inorganic N use in dual and tri-component annual intercrops. Plant Soil J 266(1–2):273–287.
https://doi.org/10.1007/s11104-005-0997-1
5. AOAC (1990) Official methods of analysis, 15th edn. Association of Official Analytical Chemists, Washington