Ecological aspects of nutrition and alternatives for herbicides in horticulture  : international seminar organised jointly by the Faculty of Agronomy, University of Bonn, Germany : Warszawa, june 10-15 1997 

 - Warszawa (Polonia)  Warsaw Agricultural University  1997 
 - 87 p.  24 cm 
<br/><br/><label>ISBN: </label>8386980656 
<br/><br/><label>Subjects--Index Terms: </label>Herbicidas Nutricion de las plantas Horticultura