In North America "no till farming" has become a widespread practice made possible by genetically modified (GM) crops that can be sprayed with herbicide that kills everything but the GM plant
Evaluate the following statements on the role of GM crops on soil conservation issues?
A) The herbicides kill beneficial plants and animals and eventually will make the soil sterile.
B) The no till practice dramatically improves soil conservation by providing loose organic matter cover to the soil surface, breaking up wind and runoff, lowering erosion rates.
C) They are a disaster. By killing all plants except the GM organism they expose the soil to increased erosion.
D) They have no effect one way or the other on soil erosion.
B
You might also like to view...
What is average sea-level pressure in pounds per square inch?
A) 14.7 B) 101.3 C) 1.47 D) 1013.2
The age of the oldest ocean floor is approximately: a. 4,000 years
b. 15 billion years. c. 4 billion years. d. 180 million years.
Explain some ways to reduce soil erosion
What will be an ideal response?
Why do marine west coast climates always occur along western coasts?