Unwin, Roger <br/><br/>
Crop protection in organic and low input agriculture : options for reducing agrochemical usage.  Proceedings of a Symposium organised by the British Crop Protection Council, held at Cambridge 4-6th September 1990 

 -  British Crop Protection Council (BCPC),  1990 
 - British Crop Protection Counci Monograph Series  No. 45 .
<br/><br/><label>ISBN: </label>0948404442 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organic farming<br/>Weed control<br/>Plant protection<br/>Pesticides<br/>Organic farming<br/>Pest control<br/>Disease control<br/>Low input farming
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Organic farming<br/>Plant diseases, plant health, plant pests, crop protection pesticides, insecticides, herbicides, fungicides<br/>Part-time farming
<br/><br/><label>Dewey Class. No.: </label>632.9