a)Drilled wells.
Demerits;
Drilled wells are smaller in diameter, usually ranging from 10-20 cm (4-8 in.), and completed to much greater depths than bored wells, up to several hundred meters.
Merits;
-The producing aquifer is generally less susceptible to pollution from surface sources.
-The water supply tends to be more reliable since it is less affected by seasonal weather patterns.
b)Bored wells.
Merits:
-Has a large diameter of the casing, from 45-90 cm (18-36 in.).
It provides a water storage reservoir for use during peak demand periods.
Demerits:
-It generally relies on annual precipitation for recharge. Water shortages may occur following long dry periods.
-It can also be more susceptible to contamination from surface land-use activities.
jim items answered the question on March 6, 2019 at 11:45
- Discuss factors to consider when selecting a well site in an agricultural land as source of water for farming.(Solved)
Discuss factors to consider when selecting a well site in an agricultural land as source of water for farming.
Date posted: March 6, 2019. Answers (1)
- Outline the main factors to consider when constructing a well for irrigation purposes in an agricultural farm.(Solved)
Outline the main factors to consider when constructing a well for irrigation purposes in an agricultural farm.
Date posted: March 6, 2019. Answers (1)
- Discuss double cropping and Inter-cropping as practiced in most agricultural fields.(Solved)
Discuss double cropping and Inter-cropping as practiced in most agricultural fields.
Date posted: March 4, 2019. Answers (1)
- Discuss the TWO broad classifications of crops based on their lifeforms.(Solved)
Discuss the TWO broad classifications of crops based on their lifeforms.
Date posted: March 4, 2019. Answers (1)
- Discuss agricultural ecosystems basing your discussion on the intensity of production. (Solved)
Discuss agricultural ecosystems basing your discussion on the intensity of production.
Date posted: March 4, 2019. Answers (1)
- Discuss the following fertilizer application methods as used in ISFM:a)Banding.b)Top dressing.c)Broadcasting.d)Side-dressing.e)Fertigation.f)Foliage spraying.g)Injecting gaseous fertilizers.(Solved)
Discuss the following fertilizer application methods as used in ISFM:
a)Banding.
b)Top dressing.
c)Broadcasting.
d)Side-dressing.
e)Fertigation.
f)Foliage spraying.
g)Injecting gaseous fertilizers.
Date posted: February 26, 2019. Answers (1)
- Discuss the components of ISFM as a good agricultural practice.(Solved)
Discuss the components of ISFM as a good agricultural practice.
Date posted: February 26, 2019. Answers (1)
- Define ISFM as used in agricultural land management.(Solved)
Define ISFM as used in agricultural land management.
Date posted: February 26, 2019. Answers (1)
- Explain the mode of action of bacillus thuringiensis controlling target pest(Solved)
Explain the mode of action of bacillus thuringiensis controlling target pest .
Date posted: February 25, 2019. Answers (1)
- What is embryo transplant?(Solved)
What is embryo transplant?
Date posted: February 21, 2019. Answers (1)
- Name four methods of water harvesting used in Kenya(Solved)
Name four methods of water harvesting used in Kenya.
Date posted: February 20, 2019. Answers (1)
- Name four types of terrace constructed in a farm(Solved)
Name four types of terrace constructed in a farm.
Date posted: February 20, 2019. Answers (1)
- Distinguish vermiculture and vermicomposting as biotechnological applications used in agriculture.(Solved)
Distinguish vermiculture and vermicomposting as biotechnological applications used in agriculture.
Date posted: February 18, 2019. Answers (1)
- Discuss the role of earthworms in soil as a beneficial soil microorganism.(Solved)
Discuss the role of earthworms in soil as a beneficial soil microorganism.
Date posted: February 18, 2019. Answers (1)
- Give three uses of a Subsoiler.(Solved)
Give three uses of a Subsoiler.
Date posted: February 17, 2019. Answers (1)
- Name two tractor-drawn implements that are used in primary cultivation(Solved)
Name two tractor-drawn implements that are used in primary cultivation.
Date posted: February 17, 2019. Answers (1)
- Differentiate between;
(i)Arable and mixed cropping (2mks)
(ii)Large scale farming and small scale farming (2mks)
(Solved)
Differentiate between;
(i)Arable and mixed cropping
(ii)Large scale farming and small scale farming
Date posted: February 17, 2019. Answers (1)
- Name five pairs of agricultural tools where members of each pair must always be used together(Solved)
Name five pairs of agricultural tools where members of each pair must always be used together.
Date posted: February 17, 2019. Answers (1)
- Give the appropriate uses of each of the following tools.
(i)Elastrator
(ii)Strip cup
(iii)Dehorning wire
(iv)Soldering gun
(v)Back saw
(Solved)
Give the appropriate uses of each of the following tools.
(i)Elastrator
(ii)Strip cup
(iii)Dehorning wire
(iv)Soldering gun
(v)Back saw
Date posted: February 17, 2019. Answers (1)
- Give the maintenance practice of a pipe wrench(Solved)
Give the maintenance practice of a pipe wrench.
Date posted: February 17, 2019. Answers (1)