- Irrigation increases crop yields and ensure a steady supply of food throughout the year
- Maximizes the utilization of resources e.g. in places where the soil is fertile but
the water / rain is inadequate
- Important for the reclamation of arid and semi-arid land.
- Provides a regular reliable and adequate supply of water in areas with little rainfall.
- Source of employment in areas where it is used extensively.
- Promotes crop production for the export market and therefore contributes to a country’s revenue
- Allows production of paddy rice
- Allows growing of crops in green houses
- Facilitates irrigation in crop production
- Controls pests
johnson mwenjera answered the question on December 6, 2017 at 12:39
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The table below shows pH value of different soil samples. Study it and answer the questions that follow.Soil Sample. ...
(Solved)
The table below shows pH value of different soil samples. Study it
and answer the questions that follow.
Soil Sample--pH value
S1------------3
S2------------4
S3------------5
S4------------6
S5------------7
S6------------8
S7------------9
S8-----------10
(a) Which soil sample has the highest acidity?
(b) State two ways in which the pH value of samples S8 can be lowered.
(c) Which of the above soil samples is suitable for growing tea?
Date posted:
December 6, 2017
.
Answers (1)
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(a) river-bank
(b) steep slope
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