The mulch adds humus in the soil as it decomposes thus enriching the soil. It enhances the retention of water in the soil by protecting it from direct sunlight/ wind. It controls/ stops run-off/ speed of surface run-off by acting as a cover to the soil. It provides a suitable habitat for organisms that aerate the soil by burrowing.
maurice.mutuku answered the question on July 4, 2017 at 05:57
-
How does crop rotation improve the quality of soil?
(Solved)
Explain how crop rotation improves the quality of soil.
Date posted:
July 4, 2017
.
Answers (1)
-
What are the methods used to control floods on rivers in Kenya?
(Solved)
Discuss the methods used to control floods on rivers in Kenya.
Date posted:
July 4, 2017
.
Answers (1)
-
What are the effects of water pollution on the environment?
(Solved)
Give the effects of water pollution on the environment.
Date posted:
July 4, 2017
.
Answers (1)
-
What are the causes of water pollution?
(Solved)
State the causes of water pollution.
Date posted:
July 3, 2017
.
Answers (1)
-
In what ways can pollution be controlled?
(Solved)
Give ways through which pollution can be controlled.
Date posted:
July 3, 2017
.
Answers (1)
-
What are the effects of land pollution on the environment?
(Solved)
Explain the effects of land pollution on the environment.
Date posted:
July 3, 2017
.
Answers (1)
-
What is pollution?
(Solved)
Define pollution.
Date posted:
July 3, 2017
.
Answers (1)
-
What problems are caused by floods?
(Solved)
Give the problems caused by floods.
Date posted:
July 3, 2017
.
Answers (1)
-
Which rivers in Kenya to the West of the Rift Valley cause large scale flooding?
(Solved)
Highlight rivers in Kenya to the West of the Rift Valley which cause large scale flooding.
Date posted:
July 3, 2017
.
Answers (1)
-
Which physical regions does River Tana pass through?
(Solved)
Name physical regions through which River Tana passes.
Date posted:
July 3, 2017
.
Answers (1)
-
How does terracing help in water conservation?
(Solved)
Describe how terracing helps in water conservation.
Date posted:
July 3, 2017
.
Answers (1)
-
Why is it necessary to conserve water?
(Solved)
Give the reasons why it is necessary to conserve water.
Date posted:
July 3, 2017
.
Answers (1)
-
What are the effects of wind as an environmental hazard in Kenya?
(Solved)
Highlight the effects of wind as an environmental hazard in Kenya.
Date posted:
July 1, 2017
.
Answers (1)
-
How are floods controlled in the lake region of Kenya?
(Solved)
Discuss ways through which floods are controlled in the lake region of Kenya.
Date posted:
July 1, 2017
.
Answers (1)
-
What are the factors leading to frequent flooding in the lake region of Kenya?
(Solved)
Explain factors that lead to frequent flooding in the lake region of Kenya.
Date posted:
July 1, 2017
.
Answers (1)
-
What are the effects of air pollution on the environment?
(Solved)
Discuss the effects of air pollution on the environment.
Date posted:
July 1, 2017
.
Answers (1)
-
How is water polluted?
(Solved)
Give ways through which water is polluted.
Date posted:
July 1, 2017
.
Answers (1)
-
What factors may lead to soil erosion?
(Solved)
Give human activities that may lead to soil erosion.
Date posted:
June 30, 2017
.
Answers (1)
-
What are the factors contributing to the emergence of slums in urban centres?
(Solved)
Give the factors that contribute to the emergence of slums in urban centres.
Date posted:
June 30, 2017
.
Answers (1)
-
How does drought affect the agricultural sector in Kenya?
(Solved)
Give ways in which drought affects agricultural sector in Kenya.
Date posted:
June 30, 2017
.
Answers (1)