Maize seedling showing phosphorus deficiency symptoms.  Although sufficient P fertilizer had been applied, the soil had a high acid saturation, and aluminium toxicity restricted root growth and P uptake. At Hlokozi, KwaZulu-Natal, an area with high rainfall and acid, highly weathered soils. <a rel="nofollow" class="external text" href="http://aerial.openstreetmap.org.za/?lon=30.27186&amp;lat=-30.35174&amp;zoom=17&amp;layers=B0F">Aerial photograph of the site</a>
<a href="//commons.wikimedia.org/wiki/User:Alandmanson" title="User:Alandmanson">Alandmanson</a>
<span class="int-own-work" lang="en">Own work</span>