Co-operative Research on Input/Output Relationships in Use of Fertilizers in Crop Production 

 - 99p.:  ill.;  24 cm. 
 - Documentation in Agriculture and Food, No.84 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers<br/>Agriculture Research <br/>Crop Production--Sweden
<br/><br/><label>Dewey Class. No.: </label>630  / OCED