Multiple Choice
Which of the following does not increase the level of nutrients available to crop plants?
A) adding humus to the soil
B) crop rotation
C) plowing crop residues under
D) applying herbicides
Correct Answer:
Verified
Correct Answer:
Verified
Q18: A magnesium deficiency would impact the light-independent
Q30: Natural communities recycle nutrients, but cultivated communities
Q31: Why do nitrogen-fixation nodules contain large amounts
Q33: Mycorrhizae are especially effective in helping plant
Q34: When plants are grown in hydroponic culture,
Q35: The Nod factor is an important component
Q36: A soil sample with a OH<sup>-</sup> concentration
Q36: During the initiation of nitrogen-fixation nodules, how
Q37: Plants that sequester heavy metals utilize pressure-flow
Q45: As global temperatures increase,evidence suggests that ribulose