Name three forms of horticulture farming.

Name any two factors which influence soil colour.

Give three reasons why Agricultural produce should be processed.

List two qualities that enable sorghum to be drought resistant.

State three entries that are made in a journal.

List two features of plastic pipes a farmer should consider before buying.

State three reasons for top dressing pasture.

State three environmental conditions that may lead to low crop yields.

Give three indicators of well decomposed manure.

State three functions of plastic materials when used as mulch in crop production.

Differentiate between gross domestic product and per capita income.
(a) Gross domestic product
(b) Per capita income.

Give two reasons why bush burning is discouraged during land preparation.

State three causes of blossom end rot disease in tomato crop.

14. State three desirable characteristics of agroforestry trees a farmer would consider before planting
in the farm.

Name four items that a maize farmer can enter into his consumable inventory records.

State any three aims of land settlement programmes in Kenya.

List two ways in which soil of PH 3 can be raised to PH 6.5.

18. Differentiate between hybrid and composite as used in crop breeding.
(a) Hybrid.
(b) Composite

State two possible causes of wilting in tomato plants despite adequate water supply.

20. Name the form in which the following nutrients are absorbed by plants.

(i) Calcium _____________________________________________________________________
(ii) Sulphur _____________________________________________________________________
(iii) Molybdenum _________________________________________________________________

List three farming practices done to reduce water stress in crop production.

Below is a diagram of a Common East African Weed.
(i) Identify the weed illustrated above. (1mk)

(ii) Give one harmful effect of the weed illustrated above to livestock. (1mk)

(iii) State two methods of controlling the weed illustrated above. (2mks)

The diagram below shows a method of forage preservation.

(i) Identify the structure illustrated above. (1mk)

(ii) State the form in which forage is conserved as illustrated above. (1mk)

(iii) Give the role of the following in the structure above. (2mks)
(a) Polythene sheet.

(b) Drainage

The illustration below represents a form of physical measures in conservation soil and water.
Study it carefully and answer the questions that follow.

(a) Identify the illustration above. (1mk)

(b) Describe how the above physical measure conserves soil and water. (2mks)

(c) Name two other physical measures that can be used to conserve water. (1mk)

Study the diagram below carefully and answer the questions that follow.

(a) Identify the field pest shown in the illustration A and B above. (2mks)

(b) State two effect the pest expressed in A above has on maize plant. (2mks)

A livestock farmer in Kirinyaga can rear dairy cattle, beef cattle or sheep. If the farmer undertakes
each of the enterprises at a time, he is likely to get returns as follows:

(a) From the information given which enterprise the farmer should choose? (1mk)

(b) Give a reason for your answer in (a) above. (1mk)

(c) What is the opportunity cost of undertaking the enterprise chosen in (a) above? (1mk)

(d) What is the importance of scarcity in agricultural production? (1mk)

(a) The information below was extracted from the financial valuation of micro-farm at the
end of the year 2007.

On the same date the farm had Ksh.50,000/- in the bank. KCC owed the farm 5,000/- for milk delivered, owed KFS 4,500/- for fertilizers, 5,000/- to Unga Limited for feeds delivered and labourers wages 12,000/-.

(i) Draw up a balance sheet for the micro-farm as at 31st December 2007. (11mks)

(b) Is the farm solvent or insolvent? (1mk)
(ii) Describe the procedure of harvesting coffee. (4mks)
(iii) A farmer is supposed to apply a compound fertilizer 20:30:10
on a plot measuring 5m long and 4m wide at the rate of 200kg/ha.

(a) What do the figures 20:30 stand for? (2mks)
(b) Calculate the amount of fertilizer the farmer will require per plot.
Show your working. (2mks)

(a) The table below shows the production of maize at various level of NPK fertilizer
application. Study it carefully and answer the questions that follow.

(i) Complete the above. (4mks)
(ii) Using the graph paper provided draw a graph of total product, marginal
product and average product against variable input on the same axis and
mark the three zones of production. (7mks)

(iii) With a reason identify the best zone of production. (2mks)
(b) Give two varieties of sorghum grown in Kenya. (2mks)
(c) Describe five effects of soil erosion. (5mks)

(a) Explain seven working principles of co-operative societies. (7mks)
(b) Describe the procedure of whip grafting in citrus propagation. (5mks)
(c) Describe four components of a well developed soil profile. (8mks)