94 



THE ROYAL SOCIETY OF CANADA 



Scnes* Unimga'cd 



Wheat Field m/\grath Alta 

 good growth 



Amouriis of Inqredienis m lOO of air dried soil 



POOR GROWTH 



FlG.4 DisFribulion of Alkali Sills' in Soil S<c33, Tp 5, Rge ££, W'tM Samples takerj August 1317 



