Steenvoorden, J.H.A.M. <br/><br/>
Nitrogen, phosphate and biocides in groundwater as influenced by soil factors and agriculture 
J.H.A.M. Steenvoorden 
 - Technical bulletin / Institute for Land and Water Management Research  97 .
 - Technical bulletin / Institute for Land and Water Management Research .
<br/><br/><label>Subjects--Index Terms: </label>Fosfatos Nitrogeno Agricultura Suelo