- It is very expensive.
- It requires trained personnel to handle and administer.
- It requires special equipment to fertilization and storage of embryos.
- It is laborious.
- There is high rate of transmission of undesirable characteristics.
john3 answered the question on December 15, 2017 at 14:32
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Give two reasons for draining farmland
Date posted:
December 15, 2017
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Answers (1)
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Date posted:
December 15, 2017
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Outline five ways of making land more productive
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December 15, 2017
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Outline seven cultural practices which help in disease control in crops
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December 15, 2017
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Explain the various cultural methods used to control diseases of crops.
Date posted:
December 15, 2017
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(Solved)
Outline the effects of land fragmentation and sub-division.
Date posted:
December 15, 2017
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Date posted:
December 15, 2017
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Explain why herbicide application is ineffective in controlling nut grass/sedge.
Date posted:
December 15, 2017
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(a)Give two reasons for carrying out Trelishing (b)Name the most likely crop managed through Trelishing. (c)Name one other method of training crops apart from Trelishing
(Solved)
a)Give two reasons for carrying out Trelishing
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Date posted:
December 15, 2017
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Answers (1)
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(i) Give one reason for adding water to a compost heap.
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(Solved)
(i) Give one reason for adding water to a compost heap.
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Date posted:
December 15, 2017
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Answers (1)
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Name any four early maturing varieties of cabbages.
Date posted:
December 15, 2017
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Name any three insect pests with biting and chewing mouthparts.
Date posted:
December 15, 2017
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Distinguish between seed dressing and seed inoculation.
Date posted:
December 15, 2017
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Answers (1)
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State two positive effects of winds on agriculture.
Date posted:
December 15, 2017
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State four reasons for carrying out primary tillage.
Date posted:
December 15, 2017
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Explain each of the following:
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Date posted:
December 15, 2017
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Answers (1)
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State two ways in which pruning tomatoes helps to control diseases in this crop.
Date posted:
December 15, 2017
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Give three benefits of spacing maize plants widely.
Date posted:
December 15, 2017
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State two secondary tillage implements
Date posted:
December 15, 2017
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(Solved)
State three modern concepts of tillage
Date posted:
December 15, 2017
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Answers (1)