State four effects of high temperature on crop production. (2mks) ……………………………………………………………………………………………………… ………………………………..

Give two ways of reducing soil acidity. (1mk) ……………………………………………………………………………………………………… ……………………………….. ………………………………………………………………………………………………………

Differentiate between Extensive and Intensive farming systems.

State two characteristics of a good mother plant where stem cuttings should be obtained.

What is lease hold land tenure system?

State three reasons why it is necessary to treat water before use.

Define the term Gross Domestic Product.

State two types of Labour records.

Name four ways in which farmers may maintain soil fertility.

Differentiate between a weir and a dam.

List four effects of weeds on pastures.

State three ways of improving labour productivity.

State four reasons which necessitate pruning of tomatoes.

Name two methods of budding.

What do the figures 5 and 3 represent in the maize variety hybrid 513?

A cow weighs 350kg. She requires 3kg of Dry matter for every 100kg of body weight per day. Calculate the amount of Dry matter that she requires for a period of 30days. (show your working).

State two advantages of tissue culture in crop production. (1mk) ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… …………………………………

a) What is the causal organism of anthracnose disease of beans? ( ½ mk) ……………………………………………………………………………………………………… …………………………………

b) State three control measures of the disease. (1 ½mks) ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… …………………………………

What is opportunity cost? (1mk) ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… …………………………………

a) List three factors a farmer should consider in selecting the correct implements for primary cultivation. (1 ½ mks)

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b) Name two types of records a coffee farmer should keep. (1mk) ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… …………………………………

c) Give four farming practices that helps to reduces water stress in crops. (2mks) ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… …………………………………

Briefly explain step by step how the above seedling can be transplanted in the hole that has been dug in the main seedbed. (5mks)

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a) Identify the crop pest below. (1mk)

b) State two damages caused by the above pest on crops. (2mks)

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c) Give two classifications of pesticides based on target pest. (2mks) ……………………………………………………………………………………………………… ………………………………… ……………………………………………………………………………………………………… …………………………………

Study the diagram below answer the following questions.

Identify the above method of soil and water conservation. (1mk) ……………………………………………………………………………………………………… …………………………………

a) List three materials used in construction of the above structure. (3mks) ………………………………………………………………………………………………… ……………………………….. ………………………………………………………………………………………………… ……………………………….. ………………………………………………………………………………………………… ………………………………..

b) State two factors that determine the size of the structure above. (2mks) ………………………………………………………………………………………………… ……………………………….. ………………………………………………………………………………………………… ……………………………….. …………………………………………………………………………………………………

a) Identify the weed below. (1mk)

b) Briefly explain why it is difficult to eradicate the weed above in a crop field. (2mks) ………………………………………………………………………………………………… ……………………………….. ………………………………………………………………………………………………… ………………………………..

c) What are the two possible herbicides that can be used in the control of the above weed? (1mk) ………………………………………………………………………………………………… ……………………………….. ………………………………………………………………………………………………… ……………………………….. 7 marks