Multiple Choice
Which of the following contributes most positively to soil quality?
A) Monoculture cropping systems
B) Combinations of organic and inorganic inputs
C) High N and P fertilizer inputs
D) Removal of crop residues to discourage disease build-up
E) Using irrigation to raising the water table in dry regions
Correct Answer:

Verified
Correct Answer:
Verified
Q17: The proportion of the population of developing
Q18: Which of the following is not a
Q19: More than 75% of the potentially arable
Q20: Shifting cultivation is characterized by _.<br>A)shifting from
Q21: Which of the following are not among
Q23: Which of the following describes world food
Q24: Alfisols are of greater importance in semi-arid
Q25: Food production increases of the past 30
Q26: Worldwide,excesses and/or deficiencies of water reduce crop
Q27: Soils of the tropics will greatly affect