@article{icrisat6339,
           title = {Effect of nitrogen level and spacing on sorghum intercropped with pigeonpea and greengram in semi-arid lands},
       publisher = {Indian Council of Agricultural Research},
          author = {K C S Reddi and M M Hussain and B A Krantz},
           pages = {17--22},
            year = {1980},
          volume = {50},
         journal = {Indian Journal of Agricultural Sciences},
          number = {1},
             url = {http://oar.icrisat.org/6339/},
        abstract = {On rainfed lands at Rajendranagar and Patanchrru, both in Hyderabad, Andhra Pradesh, sorghum [Sorghum bicolor (Linn.)Moench.] sjowed a marked response to applied N both under sole cropping and intercropplng with pigeonpea [Cajanus cajan (Linn.) Millsp.] or greengram [Vigna rodiata (Linn.) Wilczek] but the response decreased with an increase in
the N level (0.40 and 80 kg/ha)...}
}