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(a) Explain five methods of drainage (b) Explain five factors to consider when choosing maize varieties for different ecological zones in Kenya. (5mks)c) Outline ten effects of wind on agricultural...

      

(a) Explain five methods of drainage
(b) Explain five factors to consider when choosing maize varieties for different ecological zones in Kenya.
(c) Outline ten effects of wind on agricultural production.

  

Answers


Dominic
24. a) Use of open ditches/channels/furrows
• Use of underground pipes
• French drains
• Cambered beds
• Mechanically pumping
• Sub soiling
• Planting trees

b) Rainfall amount
• Attitude
• Expected yield/yield potential
• Maturity period
• Farmers preference and choice(5 x 1=5 mks)
c)
• Increase the rate of evaporation of moisture from the soil
• Causing lodging in cereals and damage to crops
• Blowing away and bringing rain bearing clouds
• Agent of seed dispersal
• Agent of soil erosion
• Increases evapo transpiration rate
• Increasing spread of pests and diseases
• Destroying farm structures
• Brings cooling effect.
• Aids in spreading pathogens
• Causes stress by chilling of young livestock and crops

Dominic Onsase answered the question on March 5, 2018 at 14:08


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