Lecture 6

Question 1

Difference between reforestation and afforestation.

Answer 1

Former is the natural restocking of existing forest and woodlands that have been depleted while latter is the establishment of forest in an area where there was no previous tree cover.

Question 2

A farming practice of ploughing across a slope following its contour lines is called

Answer 2

contour ploughing

Question 3

Contour ploughing is a common farming practice in the

Answer 3

United states, Canada and Australia

Question 4

Contour ploughing is applied in European countries such as…..

Answer 4

Belgium, Italy, Greece, Romania, Slovenia and Spain

Question 5

The cutting of gigantic steps along the slopes is called

Answer 5

Terracing

Question 6

Level terraces are common in

Answer 6

South East Asia

Question 7

An area of land maintained in permanent vegetation to prevent soil erosion on land that is being used for agriculture is called…..

Answer 7

Buffer strip

Question 8

Windbreak is a type of buffer strip, no?

Answer 8

yes

Question 9

A system of growing different kinds of crops in recurrent sequence on the same land is called…….

Answer 9

crop rotation

Question 10

Litter or any protective cover placed over soil to protect against erosion and water loss is called…..

Answer 10

mulch

Question 11

Some materials used for mulching are

Answer 11

dead leaves, sawdust, hay, shredded news paper etc

Question 12

Hay is a crop that is grown and harvested to feed

Answer 12

Cattle, horses and other farm animals

Question 13

Straw is a by product of

Answer 13

grain crop