APA
A. Balasubramaniam, C.R. Chinnamuthu M. Balusamy P. Subbian K.K. Chandragiri, . (1999). Soil fertility management in cropping systems. Coimbatore: Department of Agronomy, Tamil Nadu Agricultural University.
Chicago
A. Balasubramaniam, C.R. Chinnamuthu M. Balusamy P. Subbian K.K. Chandragiri, . 1999. Soil fertility management in cropping systems. Coimbatore: Department of Agronomy, Tamil Nadu Agricultural University.
Harvard
A. Balasubramaniam, C.R. Chinnamuthu M. Balusamy P. Subbian K.K. Chandragiri, . (1999). Soil fertility management in cropping systems. Coimbatore: Department of Agronomy, Tamil Nadu Agricultural University.
MLA
A. Balasubramaniam, C.R. Chinnamuthu M. Balusamy P. Subbian K.K. Chandragiri, . Soil fertility management in cropping systems. Coimbatore: Department of Agronomy, Tamil Nadu Agricultural University. 1999.
