Agriculture Reference
In-Depth Information
3.2
Biology of Roots
The major factors in root biology are the uptake of water and nutrients, resistance to
water stress and their relationships with microbial symbionts.
3.2.1 UPTAKE OF WATER AND NUTRIENTS
3.2.1.1
Plant 'feeding regimes
'
A wide range of chemical elements have been found in plants including eleven major or
macro-elements and fourteen trace or oligo-elements (Callot
et al.,
1982). The four macro-
