Widdowson, J. P. <br/><br/>
The use of red phosphorus as a fertiliser VI. white clover... 

<br/><br/> Sobretiro de: New Zealand Journal of Science 9(4):881-888, 1966 
<br/><br/><label>LCCN: </label>53858 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes fosfatados.