Fageria, W.K., Bajpai, M. R. And Parihar, R.L. 1972. Effect of nitrogen, Potassium and phosphorus fertilization on yield and yield attributing characters of cumin. Hortic. Abstr. 49(9) 6250.
Bhatia, D.S. 1988. Effect of nitrogen application and row spacing on coriander production under irrigated conditions and semi arid Rajasthan 58 (7), 568-569.
Dwivedi, Y.C. Sengupta, S.K. and Sharma, R.S. 1994. Effect of sowing dates and nitrogen fertilization on seed crop of Okra. Veg. Sci,. 21(2), 122-125.