Phosphorous Flashcards
1
Q
Phosphorus- function
A
Photosynthesis and respiration Cell division Energy transfer ATP DNA, RNA
2
Q
Phosphorus- highest demand
A
Seedling Growth - For cell elongation
Seed formation and hardening
3
Q
Phosphorus- deficiency
A
Stunted growth
Purple leaves
Reduced tillering in cereals
Poor seed development
4
Q
Phosphorus- factors that reduce availability
A
Soil pH – less than 5.5 or more than 7
Soils with a high clay content
Soils with a low organic matter content
5
Q
Phosphorus- management
A
Soil test
Apply lime
Apply superphosphate
