Lawrence, W.J.C. <br/><br/>
Seed and potting composts:  with special reference to soil sterilization/ 
W.J.C. Lawrence and J. Newell 
 - 4th rev. ed. 
 - London:  George Allen & Unwin,  1952 
 - 169 p.;  19 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> £ 9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Composts<br/>Potting soils<br/>Humus<br/>Organic fertilizers<br/>Soil fertility
<br/><br/><label>Dewey Class. No.: </label>631.875