Soil and plant testing and analysis  report of an expert consultation held in Rome, 13-17 June 1977 

 - Rome  Food and Agriculture Organization of the United Nations  1980 
 - iv, 247 p. 
 - FAO soils bulletin  38/1 .
<br/><br/> On t.p. : Soil resources, Management and Conservation Service, Land and Water Development Division 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis<br/>Soils--Testing<br/>Fertilizers--Research<br/>Plants--Analysis