Watawala, R.C. <br/><br/>
Adsorption, desorption and degradation of  pesticides widely used in Sri Lankan agriculture  and their persistence in soils of different agro-  ecological environments 
<label>/ by </label> Watawala, R.C. 
<label>;</label> Liyanage, Janitha A. <label>;</label> Mallawatantri, Ananda  
 - Kelaniya 
<br/><br/>SC 
<br/><br/>University of Kelaniya 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Pesticides<br/>Soils<br/>Sri Lanka