Das, Surendralal <br/><br/>
Memories of the department of Agriculture in India :  the deteremination of available phosperic acid of calcareous soil / 
Surendralal Das 
 - Pusa :  Agriculture Research Institute,  1926 
 - 104 p. ;  25 cm. 
 - Chemical series ;  vol.viii,no.6 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops--India<br/>Agriculture--India
<br/><br/><label>Dewey Class. No.: </label>631.85