TY - BOOK AU - Kumaraswamy,K. TI - Phosphorus - 32 tracer studies on the relationships between soil tests and crop response to phosphorus, tilisation of added phosphorus and 'A' values in calcareous and non - calcareous red soils with Co. 10 ragi )Eleusine coracana, G.) as test crop KW - Soil plant relation KW - Soil science fertilization KW - Fertilizers KW - Soil types KW - Eleusine eoracana KW - Yields KW - Finger millet ER -