One importance of cover crops is that they
Provide shade for crops
Protect crops from pests
Increase soil acidity
Suppress weed growth
Correct answer is D
No explanation has been provided for this answer.
Which of the following materials can be applied to the soil in order to correct yellowing of leaves?
Lime
Urea
Gypsum
Bone meal
Correct answer is B
No explanation has been provided for this answer.
Under which of the following conditions will organic matter in the soil decompose fastest?
Optimum pH
Low temperature
Anaerobic conditions
Waterlogged condition
Correct answer is C
No explanation has been provided for this answer.
Clay particles hold cations because they
Are negatively charged
Become hardened when dry
Are very small in size
Have definite shapes
Correct answer is A
No explanation has been provided for this answer.
Soils in forest areas would normally have
Low moisture content
High proportion of sand
High proportion of humus
Low microbial activity
Correct answer is C
No explanation has been provided for this answer.