Plant nutrition
What is nutrition?
importance of water
required for photosynthesis, cell elongation, most chemical reactions, conduction etc
Requirements for photosynthesis
CO2, H2O, Potassium, Nitrogen, calcium
bulk flow
Micro nutrients
0.1g/kg of dry plant mass
4 ways of transport
mass flow, simple diffusion, facilitated diffusion, osmosis
limiting factors of plant growth
light, CO2, H20, other minerals
properties of water
polar, hydrogen bonding, cohesiveness, adhesiveness, temp stabilization, transport medium
How many essential elements are there, how many of these make up soil nutrients?
16, 13
Dead cell types found in the xylem
Vessel elements, tracheids