R.P. Agrawal <br/><br/>
All India coordinated research project on improvement of soil physical conditions to increase agricultural prodution of problema 

 - Hisar  Department of soil science ccs haryana Agricultural university  1995 
 - 105p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.43  / AGR