(a) State the law of diminishing returns as it applies to agricultural production. [2 marks] Study the table below and use it to answer questions (b) and (c).

(b) Complete the table above. (c) Draw a graph from the provided data and use it to explain the law of diminishing returns

An agricultural research organisation categorised farmers in village X according to the rate of adoption of new ideas and came up with the following: Innovators 10, Early adopters 15, Late adopters 70, Never adopters 25

(a) Calculate the percentage of early adopters and state the implication of this percentage on the extension system.

(b) Suggest four ways of encouraging the innovators.

(c) State four possible reasons for the high number of late adopters.

(d) State two merits of the print media as a channel for agricultural extension. 

(a) Identify specimens A, B and C

Specimen A;            Specimen B;      Specimen C;

(b) Give one function of each of Specimen A, B and C

(c) State two ways of maintaining each of specimen A and B

(d) Name three other farm implements that perform the same function as specimen B

(e) Mention two precautions to be observed when using specimen B

(a) To what type of rock do each of specimens D, E, and F belong?

(b) State the types of weathering caused by each of specimens G, H, and l

(c) Give two ways by which weathering causes each of specimens G, H, and I.

(o) State three ways in which specimen D is important to agriculture

(a) State each of the disease condition observed on specimens J (MAIZE PLANT) and K (CASSAVA LEAF) and their causative agents.

(b) Explain the mode of transmission of the diseases on each of specimens J and K.

(c) State two effects each of the diseases on Specimens J and K and two control measures of each

(d) Name two other diseases of specimen K.