Agricultural Science

The most unreliable source of farm power is?

A. wind B. water C. electricity D. machine Correct Answer: Option A - wind

6 years ago

Which of the following methods of irrigation is best for a farm with an undulating landscape?

A. sprinkler B. flooding C. furrow D. basin Correct Answer: Option A - sprinkler

6 years ago

Farm drainage does not lead to?

A. improvement in soil structure B. improvement of oil temperature C. increased soil aeration D. reduction of soil alkalinity Correct…

6 years ago

Which of the following will not lead to loss of nitrogen compounds from the soil?

A. crop removal B. burning C. lodging D. leaching Correct Answer: Option C - lodging

6 years ago

In the nitrogen cycle, nitrite is oxidized to nitrate by?

A. nitrobacter B. nitrosomonas C. azotobacter D. rhizobium Correct Answer: Option A - Nitrobacter

6 years ago

Leguminous cover crops do not?

A. bind the soil particles together through their roots B. increases the nitrogen content of soils C. aid in improving…

6 years ago

A disadvantage of using organic manure on the soil is that?

A. it decreases the potassium content of the soil B. diseases spread fast C. it increases the humus content of…

6 years ago

Which of the following processes will not lead to the loss of nutrients from the soil?

A. erosion B. mulching C. harvesting D. leaching Correct Answer: Option B - mulching

6 years ago

Which of the following soil water is tightly held to the surface of soil particles?

A. hygroscopic water B. gravitational water C. capillary water D. superfluous water Correct Answer: Option A - hygroscopic water

6 years ago

The most important soil micro-organism causing decay and nutrient recycling are?

A. bacteria and fungi B. fungi and algae C. algae and actinomycetes D. bacteria and algae Correct Answer: Option A…

6 years ago