TY  - BOOK
AU  - Jayakumar,R.
TI  - Effect of different sources and levels of nitrogen fertilization on yield, uptake of nutrrients and quality of the produce in high yielding rice var. ir 20
KW  - High yielding rice
KW  - Nitrogen fertilizer
KW  - Yields
KW  - Nutrients
KW  - Plant nutrition
ER  -