Abstract
Sorghum grown in a mixture with legumes viz. groundnut, mungbean and cowpeas took up more N than sorghum grown as sole crop. In a mixture with mungbean the total N uptake by sorghum was 8.65 g m−2, while with sole sorghum it was 6.79 g m−2. The per cent N derived from fertilizer (% Ndff) was highest with sole sorghum and the lowest when grown in mixture with legumes. It is possible that sorghum derived part of the N from the soil pool enriched by concurrently grown legumes in the mixture.
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Bandyopadhyay, S.K., De AT, R. N relationship in a legume nonlegume association grown in an intercropping system. Fertilizer Research 10, 73–82 (1986). https://doi.org/10.1007/BF01073906
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DOI: https://doi.org/10.1007/BF01073906