Rothwell, A. <br/><br/>
Boron dificiency of cotton in Zambia / 
 Boron deficiency of cotton in Zambia 
[by] A. Rothwell, J.W. Bryden [and others]. 
 - London :  Borax Consolidated,  [1967?] 
<br/><br/> "Reprinted from the Cotton growing review, vol. 44, January 1967 ... by kind permission of the ministry of agriculture Zambia and the Cotton Research Corporation." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cotton growing -- Zambia.--Cotton growing -- Zambia.<br/>Cotton -- Diseases and pests.--Cotton -- Diseases and pests.<br/>Deficiency diseases in plants.<br/>Soils -- Boran content.--Soils -- Boran content.