× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
w
3
w
3
e
3
3
r
3
b
2
M
2
V
2
f
2
c
2
c
2
K
2
Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
New Topic  
Calypso1992 Calypso1992
wrote...
Go to Answer
Posts: 339
Rep: 1 0
6 years ago
Research has shown that most herbicides and insecticides used in agriculture drastically reduce the numbers of living meso- and microorganisms in soils for several years after the application of these chemicals.
 
  Indicate whether the statement is true or false

Question 2

Actinomycetes tend to dominate soils that are either very acid, very cold, or very dry.
 
  Indicate whether the statement is true or false

Question 3

Active soil acidity is a measure of the H+ ion activity in the soil solution.
 
  Indicate whether the statement is true or false

Question 4

The higher the cation exchange capacity of a soil, the greater is its buffer capacity.
 
  Indicate whether the statement is true or false

Question 5

Mycorrhizae do not normally kill their host plants, but merely reduce the efficiency of the plant root system.
 
  Indicate whether the statement is true or false
Read 76 times
1 Reply
Replies
Answer verified by a subject expert
steph7247steph7247
wrote...
#1
Posts: 213
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Calypso1992 Author
wrote...

6 years ago
Thanks for your help!!
Mkersey12
wrote...

Yesterday
Helped a lot
riptide
wrote...

2 hours ago
Correct Slight Smile TY
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1047 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 86
  
 616
  
 92
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 374
Previous poll results: What's your favorite funny biology word?