Changes

With a [[Nitrate]] '''deficiency ''' the upper [[leaf|leaves]] grow light green and lower leaves are yellow and begin to shrivel.

With a [[Phosphate]] '''deficiency ''' the [[leaf|leaves]] grow dark and are regularly lost.Often the younger [[leaf|leaves]] are purple.{| class="wikitable"|[[File:PhosphateDeficiency.png|300px]]|-| style="height:20px; width:200px; text-align:center;" |With a [[Phosphate]] '''deficiency''' the [[leaf|leaves]] grow dark and are regularly lost. Often the younger [[leaf|leaves]] are purple.|}

{| class="wikitable"|[[File:PotassiumDeficiency.png|300px]]|-| style="height:20px; width:200px; text-align:center;" |With a [[Potassium]] '''deficiency ''' the tips and edges of young [[leaf|leaves]] are yellow. Over time more yellow patches or dead areas appear on the [[leaf|leaves]].|}

{| class="wikitable"|[[File:ManganeseDeficiency.png|300px]]|-| style="height:20px; width:200px; text-align:center;" |With a [[Manganese]] '''deficiency ''' yellow spots and holes appear between the [[Plant Vein|plant veins]].|}

{| class="wikitable"|[[File:MagnesiumDeficiency.png|300px]]|-| style="height:20px; width:200px; text-align:center;" |With a [[Magnesium]] '''deficiency ''' the lower [[leaf|leaves]] develop a yellow area which grows from the tips of the [[leaf|leaves]] spreading over the whole [[leaf]] while the [[Plant Vein|veins]] remain green.|}  ===References=======AQA==== :[https://www.amazon.co.uk/gp/product/1782945954/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945954&linkCode=as2&tag=nrjc-21&linkId=100574c08fbbb64318256eb79ed61a76 ''Deficiency diseases (in plants), page 151, GCSE Biology, CGP, AQA '']