TY - BOOK AU - Sahu, Pashupati Nath TI - Effect of single and combined inoculation of Azotobacter, Azospirillum and Phosphobacterin at Different Levels of Nitrogen on Wheat and Paddy Crops U1 - 631.4 PY - 1985/// CY - R. A. U, Pusa PB - Soil Science KW - Soil Science KW - Agriculture Chemistry KW - Thesis ER -