True/False
Where conditions are favorable,earthworms are known to add several hundred kg/ha of several important nutrients to the soil system.
Correct Answer:

Verified
Correct Answer:
Verified
Q31: This (these)group(s)of microorganisms usually predominate(s)in sandy,acid soils.<br>A)actinomycetes<br>B)bacteria<br>C)fungi<br>D)both
Q32: In which situation are the actinomycetes likely
Q33: Organisms which use carbon dioxide or carbonates
Q34: In nature,beneficial mycorrhizae form with the roots
Q35: An organism that subsists by eating predators
Q36: Mycorrhizae do not normally kill their host
Q38: Of all the groups of soil organisms,bacteria
Q39: Disease suppressive soil often results from _.<br>A)Fumigation
Q40: Mycorrhizae involve a symbiotic combination of certain
Q41: Compared to the bulk soil in which