Swaine, D.J. <br/><br/>
The trace -element content of soils 

 - England :    Commonwealth Agricultural Bureaux, 
 - v. :    ill. ;    25 cm. 
 - Technical communication no.48 of the Commowealt Bureau of soil scien ce, Rothamsted, ExperimentalStation, Harpenden .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soil fertility -- Research
<br/><br/><label>Dewey Class. No.: </label>631.4306242