Widdowson, J. P. <br/><br/>
The sulphur status of soils of the South-West Pacific area / 
J. P. Widdowson and L. C. Blackmore. 
 - Lower Hutt, New Zealand :  Dept. of Scientific and Industrial Research Soil Bureau,  [n.d.] 
 - [14]p. 
<br/><br/><label>LCCN: </label>90012162     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Sulphur content--South West Pacific.<br/>Plants, Effect of sulphur on.