TY  - BOOK
AU  - Singh, Uday Narayan.
TI  - Basic Principles of Agronomy = Shasya Vigyan ke Molik Siddhant / 
U1  - 631 
PY  - 1991///
CY  - .- Varanasi
PB  - : Pustak Prakashan
KW  - Technology (Applied Sciences)
KW  - Agriculture and Related Technologies
KW  - Agronomy
ER  -