STANDARD methods of analysis for soil, plant tissue, water and fertilizer 

 - Laguna  Philippine Council for Agriculture and Resources Research  1980 
 - vii, 194 pages. 
<br/><br/> Include Appendix 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils<br/>Soil chemistry<br/>Soil-Analysis
<br/><br/><label>Dewey Class. No.: </label>631.41  / STA