Which of the following contributes most positively to soil quality?
A) using irrigation to raising the water table in dry regions
B) monoculture cropping systems
C) combinations of organic and inorganic inputs
D) removal of crop residues to discourage disease build-up
E) high N and P fertilizer inputs
C
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What will be an ideal response?
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A) Certified seed B) Foundation seed C) Registered seed
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a. 1 to 2% b. 5 to 10% c. 15 to 20% d. 70 to 80%
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What will be an ideal response?
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