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<=Diploma in Agriculture module II : Crop Production, Soil fertility and plant nutrition past paper July 2017
The amount of calcium hydroxide required to change the pH of the soil from 5.5 to 7.0 is 6 milliequivalents per 100g of soil. Given that:
• Average soil density = 2000 kg/m³
• Hectare furrow slice = 10 cm
• Relative atomic masses for Ca = 40, H = 1, O = 16
Determine the amount of calcium carbonate required for one hectare of land for the same soil sample.
• Average soil density = 2000 kg/m³
• Hectare furrow slice = 10 cm
• Relative atomic masses for Ca = 40, H = 1, O = 16
Determine the amount of calcium carbonate required for one hectare of land for the same soil sample.
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1. Describe annual pruning in coffee
2. Describe Armillaria Root Rot in Tea with respect to: (i) cause; (ii) symptoms; (iii) prevention
3. Explain Cassava Production with respect to
4. Highlight the advantages of establishing paddy rice using seedlings
5. Explain any six management practices of a ratoon crop in sugarcane
6. Describe Rosette Disease in Groundnuts with respect to: (i) Cause; (ii) Symptoms (iii) Control
7. Explain any four benefits of early land preparation in wheat
8. Describe Cocoyam Production with respect to: (i) ecological requirement ; (ii) land preparation; (iii) Crop establishment
9. . Explain Tobacco Production with respect to: (a) Benefits of topping; (b) Harvesting process; (c) Challenge establishment
10. Describe the factors that influence the denitrification process
11. The horticultural field used for kale production showed stunted plants with purple leaves. If the plant tissues from the field tested high in nitrates: (i) identify the nutrients that was deficient; (ii) explain the possible causes of the deficient nutrients
12. Using chemical equations, explain how calcium oxide neutralizes soil acidity
13. The amount of calcium hydroxide required to change the pH of the soil from 5.5 to 7.0 is 6 milliequivalents per 100g of soil. Given that: • Average soil density = 2000 kg/m³ • Hectare furrow slice = 10 cm • Relative atomic masses for Ca = 40, H = 1, O = 16 Determine the amount of calcium carbonate required for one hectare of land for the same soil sample.
14. Explain the factors that affect nutrient absorption in plants
15. Nitrogenous fertilizers are highly soluble and easily leached. Highlight the measures that may improve their utilization.
1. Describe annual pruning in coffee
2. Describe Armillaria Root Rot in Tea with respect to: (i) cause; (ii) symptoms; (iii) prevention
3. Explain Cassava Production with respect to
4. Highlight the advantages of establishing paddy rice using seedlings
5. Explain any six management practices of a ratoon crop in sugarcane
6. Describe Rosette Disease in Groundnuts with respect to: (i) Cause; (ii) Symptoms (iii) Control
7. Explain any four benefits of early land preparation in wheat
8. Describe Cocoyam Production with respect to: (i) ecological requirement ; (ii) land preparation; (iii) Crop establishment
9. . Explain Tobacco Production with respect to: (a) Benefits of topping; (b) Harvesting process; (c) Challenge establishment
10. Describe the factors that influence the denitrification process
11. The horticultural field used for kale production showed stunted plants with purple leaves. If the plant tissues from the field tested high in nitrates: (i) identify the nutrients that was deficient; (ii) explain the possible causes of the deficient nutrients
12. Using chemical equations, explain how calcium oxide neutralizes soil acidity
13. The amount of calcium hydroxide required to change the pH of the soil from 5.5 to 7.0 is 6 milliequivalents per 100g of soil. Given that: • Average soil density = 2000 kg/m³ • Hectare furrow slice = 10 cm • Relative atomic masses for Ca = 40, H = 1, O = 16 Determine the amount of calcium carbonate required for one hectare of land for the same soil sample.
14. Explain the factors that affect nutrient absorption in plants
15. Nitrogenous fertilizers are highly soluble and easily leached. Highlight the measures that may improve their utilization.