Anion exchange by formation of outer sphere complexes is of least importance in the plant absorption of ________.
A) SO42- B) NO3- C) H2PO4- D) Cl- E) MoO4-2
Question 2
Iron deficiency is most likely to occur under which of the following soil conditions?
A) muck soil (Saprist) with pH 5.5
B) soil with pH 4.3 and subject to frequent flooding
C) well-drained humid region loamy sand (Spodosol) with pH 5.0
D) leached humid region sandy soil limed to pH 8.0
E) silt loam Mollisol with pH 7.5