TY  - BOOK
AU  - BANGA, Beant Singh
TI  - Studies on transformations, availability and critical limits of P in rice culture
U1  - 633.18 B20S 
PY  - 1984///
PB  - Ludhiana
KW  - RICE -- FERTILIZERS AND MANURES
KW  - PHOSFRACTION
KW  - PHOSPHORUS
KW  - RICE
KW  - SOIL FERTILITY
KW  - SOILS
N2  - Olsen P, closely followed by Bray-I gave highly significant yield parameters compared to Bray-II and 0.01M CaCI2 extractants. Estimation of available P after 5 days submergence improved the correlation The critical limits of Olsens available P were 4 7 an
ER  -