TY  - BOOK
AU  - Ramayan Singh
TI  - Investigations on Brown Spot of Rice (Oryza sativa L.) Caused by Helminthosporium oryzae Breda de Haan (=Drechslera oryzae Subramanian and Jain)
U1  - 632 
PY  - 1982///
CY  - .- Pusa, Samastipur
PB  - : RAU
KW  - Plant Pathology
KW  - Rice
KW  - Thesis
KW  - M. Sc
ER  -