Merbach, Wolfgang. <br/><br/>
The Long-Term Fertilization Trials in Halle (Saale), Germany  A Tool for Sustainable and Environmentally Compatible Land Management — Contributions of Plant Nutrition Science in Halle 13 /  [electronic resource] : 
by Wolfgang Merbach, Annette Deubel. 
 - 2a ed. 
 - Wiesbaden :  Deutscher Universitäts-Verlag / GWV Fachverlage GmbH, Wiesbaden,  2007. 
 -  v.: digital 
<br/><br/><label>ISBN: </label>9783835096486 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes --Aspectos ambientales<br/>Uso de la tierra--Aspectos ambientales<br/>Desarrollo sustentable --Aspectos ambientales
<br/><br/><label>LC Class. No.: </label>S633.5.G3