TY  - BOOK
AU  - UPPAL, Surjit Singh
TI  - Efficiency of fertilizer phosphorus as affected by its method of application to maize
U1  - T 631.85 U-5E 
PY  - 1972///
CY  - Ludhiana
PB  - P. A. U
KW  - SOILS -- PHOSPHORUS CONTENT
KW  - MAIZE -- FERTILIZERS AND MANURES
KW  - SOILS. SOIL FERTILITY
N2  - To determine the efficiency of fertilizer P as affected by its method of application to maize (Hybrid Ganga-5) at two levels viz. 30 & 60 kg P205/ha. a field trial involving th use of radio tracer technique was conducted application by different methods f
ER  -