TY  - BOOK
AU  - Raj Kumar
TI  - Relative efficiency of conventional, slow release and nitrification inhibitor treated fertilizers for paddy
U1  - T 631.407.2 R14R 
PY  - 1977///
CY  - Ludhiana
PB  - PAU
KW  - SOIL SCIENCE
KW  - RICE. NITRIFICATION
KW  - SLOW RELEASE
KW  - SOIL CONDITIONERS
KW  - SOIL RESEARCH
KW  - SOILS. SOIL CHEMISTRY
N2  - Field experiment and a pot culture were conducted on Fatehpur loamy sand Ammonium sulphate and urea proved to be superior sources of N for rice as compared to nitrate containing sources However, as compared to ammonium sulphate; urea was less effective fo
ER  -