Kemmler, G. <br/><br/>
Fertilizer experiments the need for long term trials/ 
G. Kemmler and H. Malicornet 
 - Bern:  International Potash Institute,  1976 
 - 34 p.;  21 cm. 
 - International potash institute research topics  no. 1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers--Application<br/>Crops<br/>Soil fertility
<br/><br/><label>Dewey Class. No.: </label>631.88