Nar0240:Soil Fertility And Fertilizers Question Paper

Nar0240:Soil Fertility And Fertilizers

Course:Diploma In Agriculture

Institution: Meru University Of Science And Technology question papers

Exam Year:2012

QUESTION ONE – 30 MARKS
(a) Outline the various application methods of fertilizers. (8Marks) (b) Explain the form of Nitrogen (N), Phosphorous (P) and Potassium (K) and availability to plant use. (6Marks) (c) Explain six factors that influence soil fertility. (6Marks) (d) Explain the functions of the following elements to plant growth and development and their deficiency. Nitrogen (N) Potassium (K) Phosporous (P) Magnesium (Mg) (10Marks)
QUESTION TWO – 15 MARKS (a) Explain various ways in which soil fertility may be lost. (8Marks) (b) Describe the advantages of compound fertilizer. (7Marks)
QUESTION THREE – 15 MARKS (a) Highlight the importance of organic matter (OM) in the soil. (6Marks) (b) Distinguish between saline soils, sodic soils and saline – sodic soil (9Marks)
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QUESTION FOUR – 15 MARKS (a) What do you understand by the following: (8Marks) (i) Essential elements (ii) Soil colloids (iii) Cation Exchange Capacity (CEC) (iv) Soil PH
(b) Explain how drainage affects the soil fertility. (7Marks)
QUESTION FIVE – 15 MARKS (a) Explain the factors you would consider when sampling soil for analysis. (7Marks) (b) Describe with a diagram the nutrient levels in plants. (8Marks)

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Nar0240:Soil Fertility And Fertilizers Question Paper

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