Loos, M. A. <br/><br/>
The influence of calcium carbonate amendments on the nodulation of white clover in the acid soils of George 

<br/><br/> Sobretiro de: S. Afr. j. Agric. Sci. 8:729-736, 1965. 
<br/><br/><label>LCCN: </label>31145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rhizobium.<br/>Trébol blanco.