I never said it was P def I simply gave you the link so you can figure it out
Nitrogen Deficiency Symptoms
- leaves turn sickly pale green and even yellow
- growth slows
- stems and leaf undersides may get a purple tint
- plants are short
- on tomato plants the undersides of the leaf and stem can develop a purple coloration
Excess Symptoms Nitrogen
- Causes dark green leafy growth with stunted roots
- Flowering is delayed
- fruits take longer to mature, and may lack flavor.
Phosphorous
- lack of growth
- dark green leaves
- stunted roots
- maturity delayed
- flowers are small and weak
- newest growth is last to show symptons
- leaves may look reddish to purple
Phosphorus deficiency in some plant species can be due to conditions being too cold for uptake of this element rather than proportions.
Excess Symptoms Phosphorus
- not normally an issue
- copper, iron, or zinc deficiency could be caused by the formation of insoluable copper, iron, or zinc phosphates