TY  - JA
AU  - Prasad,B
AU  - Prasad,J
AU  - Prasad,R
AU  - Sinha,M.K
TI  - Relative efficiency of some phosphatic fertilizers on crop yield and phoshorus availability in calcareous soil
PY  - 1985///
T2  - Journal of the Indian Society of Soil Science
ER  -