Agricultural Science Questions
Question 1566:
It is not advisable to apply fresh farmyard manure because
- A Its heat of decomposition may cause scorching of plants
- B Some microorganisms in the manure may die
- C The manure may increase soil acidity
- D The manure may increase soil alkalinity
Question 1567:
Magnesium deficiency in crops can be corrected by the application of
- A Dolomite
- B Limestone
- C Quicklime
- D Urea
Question 1568:
The atmosphere gains carbon dioxide through the following ways except
- A Burning of fuel such as coal and wood
- B Respiration by plants and animals
- C Photosynthesis in plants
- D Death and decay of plants and animals
Question 1569:
Controlled burning has the advantage of
- A Increasing the number of soil organisms
- B Inducing re-growth of pasture grasses
- C Increasing the amount of nutrients in the soil
- D Improving soil structure
Question 1570:
Which of the following fertilizers should be applied for good plant growth after prolonged use of sulphate of ammonia on a neutral soil?
- A Ammonium nitrate
- B Lime
- C Urea
- D Single superphosphate