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i)-mass selection
(ii) -progeny testing
(iii) -contemporary comparison
marto answered the question on September 12, 2019 at 11:52
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Name three reasons that would make a farmer use a Machakos dip instead of a plunge dip to control ticks.
Date posted: September 12, 2019. Answers (1)
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State four factors that determine the amount of food given to an animal.
Date posted: September 12, 2019. Answers (1)
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State three signs of attack by endoparasites a farmer can observe.
Date posted: September 12, 2019. Answers (1)
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Date posted: September 12, 2019. Answers (1)
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Date posted: September 12, 2019. Answers (1)
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State five methods used to control soil and water pollution.
Date posted: September 12, 2019. Answers (1)
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The Following weeds were found growing on a maize farm by a form four student. Study the weeds and answer the questions that follow.
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ii)b) State one reason that makes each of the following weeds difficult to control.
(i) X
(ii) Z
Date posted: September 12, 2019. Answers (1)
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The diagram below shows pests that affect crops when in the field. Study the diagrams and answer the questions that follow.
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b) State two ways of controlling the pest labeled L above
c) State one crop attacked by the pest labeled J and K above.
Date posted: September 12, 2019. Answers (1)
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The document below was obtained from one of the books of accounts in kimko’s farm. Study the document and answer the questions that follow.
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b) State four importance of keeping proper farm account records
Date posted: September 12, 2019. Answers (1)
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Study the diagram below and answer the questions that follow.
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b) Name four sites for agroforestry trees in the farm.
Date posted: September 12, 2019. Answers (1)
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a) Rogueing
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a) Rogueing
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Date posted: September 12, 2019. Answers (1)
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List two importance of tissue culture in propagating crops.
Date posted: September 12, 2019. Answers (1)
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List three importance of phosphorus in crop growth.
Date posted: September 12, 2019. Answers (1)
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a) Alum
...(Solved)
Name the function of each of the following chemicals in water treatment.
a) Alum
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Date posted: September 12, 2019. Answers (1)
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Name two ways in which predators affect agricultural production
Date posted: September 12, 2019. Answers (1)
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Date posted: August 5, 2019. Answers (1)
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The following was carried out to determining the humus content in soil sample. The sample weighing 120gm was heated in an oven at 1050c. the dried sample was weighed and found to be 112gm. Again it was strongly heated and weighed recording a mass of 106gm.
(a) Calculate the weight of water in the soil.
(b) Calculate the percentage of humus in the soil sample.
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(d) Outline four farming practices that are used to improve soil structure.
Date posted: August 5, 2019. Answers (1)
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State three importance of lining in crop production.
Date posted: August 5, 2019. Answers (1)
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Give four reasons why farmers are advised to raise tea in polythene sleeves.
Date posted: August 5, 2019. Answers (1)
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Name three activities used in clearing land.
Date posted: August 5, 2019. Answers (1)