BY VIRAK  <br/><br/>
Effect of organic fertilizers on yard long bean in the crop station of the royal university of agriculture,(ឥទ្ធិពលជីធម្មជាតិទៅលើដំណាំសណ្ដែកកួរនៅសាកលវិទ្យាល័យភូមិន្ទកសិកម្ម) 

 - phnom penh   RUA   2007  
 - xv,56p.  ill.  29cm. 
<br/><br/><label>Dewey Class. No.: </label>AGR By 2007 B035 Or.1