a) reasons for early land preparation
• Allow time for weeds to dry and decompose;
• Allow for proper soil aeration;
• Allow timely planting / subsequent operations;
• Allow time for soil clods to disintegrate/soften.
b)
• Facilitates aeration;
• Facilitates drainage;
• Breaks hard pans/facilitates water infiltration;
• Bring up previously leached nutrients;
• Facilitate development of deep rooted crops;
• Expose lower soil layers to weathering;
• Expose soil borne pests and disease agents.
• Remove deeply rooted weeds.
Vicky001 answered the question on September 21, 2017 at 20:23
- Give reasons for inter-cropping (Solved)
Give reasons for inter-cropping
Date posted: September 21, 2017. Answers (1)
- (a) What is vegetation? (b) Explain how the following factors influence the distribution of vegetation: (i) relief(ii)soils(c) Describe the characteristics of the savanna vegetation region....(Solved)
(a)What is vegetation?
(b) Explain how the following factors influence the distribution of vegetation:
(i) relief
(ii)soils
(c) Describe the characteristics of the savanna vegetation region.
Date posted: September 20, 2017. Answers (1)
- Name two types of rocks(Solved)
Name two types of rocks
Date posted: September 19, 2017. Answers (1)
- Name two types of faults(Solved)
Name two types of faults
Date posted: September 19, 2017. Answers (1)
- State two effects of earth rotation(Solved)
State two effects of earth rotation
Date posted: September 19, 2017. Answers (1)
- Examine the major causes of deforestation and suggest means of preventing it's impact
(Solved)
Examine the major causes of deforestation and suggest means of preventing it's impact
Date posted: September 17, 2017. Answers (1)
- (a) What is the composition of the Earth (b) Differentiate the earth from the Sun(Solved)
(a) What is the composition of the Earth (b) Differentiate the earth from the Sun
Date posted: September 16, 2017. Answers (1)
- a)Explain why the Government of Kenya encourages the setting up of industries in rural areas (b)Explain four factors that have contributed to the development of electronics industry in...(Solved)
a)Explain why the Government of Kenya encourages the setting up of industries
in rural areas
b)Explain four factors that have contributed to the development of electronics
industry in Japan.
Date posted: September 16, 2017. Answers (1)
- Some students carried out a field study on sources of energy by sampling the
households around their school.
i)Identify two sampling techniques the students may have used...(Solved)
Some students carried out a field study on sources of energy by sampling the
households around their school.
i)Identify two sampling techniques the students may have used during
the study.
ii)Give three advantages of sampling the households for the study.
Date posted: September 16, 2017. Answers (1)
- a)i.Name three main hydroelectric power stations along the river Tana
ii)Apart from providing electric power, state four other benefits of the
dams along the river Tana.
iii)Identify two...(Solved)
a)i.Name three main hydroelectric power stations along the river Tana
ii)Apart from providing electric power, state four other benefits of the
dams along the river Tana.
iii)Identify two problems that affect the production of power along river
Tana.
Date posted: September 16, 2017. Answers (1)
- a)You plan to carry out a field study in a tea farm.
i)Give four reasons why you need a route map for the study.
ii)What information are...(Solved)
a)You plan to carry out a field study in a tea farm.
i)Give four reasons why you need a route map for the study.
ii)What information are you likely to gather about marketing of processed tea
during the study? Tea is marketed
Date posted: September 16, 2017. Answers (1)
- a)What is agriculture? (b)Identify four characteristics of plantation farming in Kenya. (c)Give four physical factors that influence the growing of tea in Kenya (d)Explain four problems facing small...(Solved)
a)What is agriculture?
b)Identify four characteristics of plantation farming in Kenya.
c)Give four physical factors that influence the growing of tea in Kenya
d)Explain four problems facing small scale tea farming in Kenya
Date posted: September 16, 2017. Answers (1)
- a) Describe opencast method of mining (b)Explain three benefits of petroleum mining to the economies of Middle East countries(Solved)
a)Describe opencast method of mining
b)Explain three benefits of petroleum mining to the economies of Middle East
countries
Date posted: September 16, 2017. Answers (1)
- Explain how the following factors influence the exploitation of minerals (a)Mode of occurrence of minerals (b)Transport (c) Level of technology(Solved)
Explain how the following factors influence the exploitation of minerals
(a) Mode of occurrence of minerals
(b) Transport
(c) Level of technology
Date posted: September 16, 2017. Answers (1)
- a)Apart from pie-chart, name two other statistical methods that can be
used to represent the data
b)Explain four positive effects of low population growth in a country
(Solved)
a)Apart from pie-chart, name two other statistical methods that can be
used to represent the data
b)Explain four positive effects of low population growth in a country
Date posted: September 15, 2017. Answers (1)
- Identify five measures used to control floods in Kenya(Solved)
Identify five measures used to control floods in Kenya
Date posted: September 15, 2017. Answers (1)
- a)State two factors that led to the development of nucleated settlement patterns.
b)Identify two differences in the functions of Nairobi and New York(Solved)
a)State two factors that led to the development of nucleated settlement patterns.
b)Identify two differences in the functions of Nairobi and New York
Date posted: September 15, 2017. Answers (1)
- a)Name two countries to which Kenya exports petroleum products
b)State four factors that influence external trade in Kenya(Solved)
a)Name two countries to which Kenya exports petroleum products
b)State four factors that influence external trade in Kenya
Date posted: September 15, 2017. Answers (1)
- a)Name the method of irrigation used in Perkerra irrigation scheme
b)State three factors that influenced the location of the Perkerra irrigation scheme(Solved)
a)Name the method of irrigation used in Perkerra irrigation scheme
b)State three factors that influenced the location of the Perkerra irrigation scheme
Date posted: September 15, 2017. Answers (1)
- a)Name two major deserts found in Africa.
b)Describe the three processes through which wind transports its load.
c)Describe the formation of a barchan.
d)Explain four ways in which...(Solved)
a)Name two major deserts found in Africa.
b)Describe the three processes through which wind transports its load.
c)Describe the formation of a barchan.
d)Explain four ways in which desert features are of significance to human activities.
Date posted: September 15, 2017. Answers (1)