<slides>
<slide src="calcium_deficiency/suqarcane.jpg"
alt="Deficiency on suqarcane.jpg" />
<slide src="calcium_deficiency/alfalfa.jpg"
alt="Deficiency on alfalfa.jpg" />
<slide src="calcium_deficiency/suqarbeets.jpg"
alt="Deficiency on suqarbeets.jpg" />
<slide src="calcium_deficiency/tomato.jpg"
alt="Deficiency on tomato.jpg" />
</slides>