Agricultural Science Past Questions and Answers

The soil water that is readily available for absorption by plant roots is called

A Capillary water
B Gravitational water
C Hygroscopic water
D Superfluous water

Question 1767:

Farmers practice mixed farming because they can

A Easily secure loan to expand their farms
B Specialize in either the growing of crops or rearing of animals
C Use the manure from the animals to fertilize their crops
D Easily control pests and diseases on their farms

Question 1768:

Which of the following factors should be considered in selecting cover crops? The cover crops must I. be easy to propagate II. compete with the main crops III. have roots capable of binding soils IV. be slow growing

A I and II only
B II and III only
C I and III only
D III and IV only

Question 1769:

Which of the following terms is not associated with surface irrigation?

A Tile
B Basin
C Dyke
D Furrow

Question 1770:

Loss of nitrogen from the soil through the removal of oxygen from nitrates by bacteria is known as

A Ammonification
B Dehydration
C Dentrification
D Nitrification