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Environmental Factors Affecting Crop Growth · CSEC Agricultural Science

42 past-paper questions on Environmental Factors Affecting Crop Growth, part of Section B: Crop Production, from every CSEC Agricultural Science paper on Quelpr.

Practise Environmental Factors Affecting Crop Growth
  1. 3(a)2 marks· CSEC Agricultural Science · 2010 (second paper) · Paper 2Explain how water causes soil erosion.
  2. 3(b)2 marks· CSEC Agricultural Science · 2010 (second paper) · Paper 2Mulch, when used as a soil erosion control method, harbours pests, whereas conservation techniques such as strip cropping do not. Suggest TWO OTHER conservation techniques that can be used to reduce soil erosion.
  3. 3(a)(i)1 mark· CSEC Agricultural Science · 2014 (second paper) · Paper 2What type of fertilizer does this represent?
  4. 3(a)(ii)1 mark· CSEC Agricultural Science · 2014 (second paper) · Paper 2Calculate the nitrogen to phosphorus ratio in this fertilizer.
  5. 8(b)6 marks· CSEC Agricultural Science · 2014 (second paper) · Paper 2Explain THREE environmentally friendly soil-management practices which could be used to correct this problem.
  6. 5(a)4 marks· CSEC Agricultural Science · May/June 2007 · Paper 2List FOUR factors affecting soil fertility.
  7. 6(b)2 marks· CSEC Agricultural Science · May/June 2007 · Paper 2Name TWO major plant nutrients.
  8. 7(a)(i)1 mark· CSEC Agricultural Science · May/June 2007 · Paper 2Complete the statement by choosing the correct term: During a heavy shower of rain, the raindrops cause (rill, gully, splash, run-off) erosion.
  9. 7(a)(ii)1 mark· CSEC Agricultural Science · May/June 2007 · Paper 2Complete the statement by choosing the correct term: The soil type most easily eroded by wind is (clayey, sandy, loamy).
  10. 7(b)4 marks· CSEC Agricultural Science · May/June 2007 · Paper 2Name TWO management practices used to control soil erosion, and explain how each practice functions to control erosion.
  11. 7(c)4 marks· CSEC Agricultural Science · May/June 2007 · Paper 2Explain the role of forests in water conservation by giving TWO points.
  12. 3(a)(i)1 mark· CSEC Agricultural Science · May/June 2008 · Paper 2What is the smallest inorganic component of soil?
  13. 3(a)(ii)1 mark· CSEC Agricultural Science · May/June 2008 · Paper 2Name ONE OTHER inorganic component of soil.
  14. 3(b)(i)1 mark· CSEC Agricultural Science · May/June 2008 · Paper 2Identify the soil type from the data in Table 1.
  15. 3(b)(ii)1 mark· CSEC Agricultural Science · May/June 2008 · Paper 2Suggest ONE method, with a reason, of managing this soil to improve its productivity.
  16. 3(a)1 mark· CSEC Agricultural Science · May/June 2009 · Paper 2State the possible pH range of the farmer's acidic soil.
  17. 3(b)1 mark· CSEC Agricultural Science · May/June 2009 · Paper 2Identify ONE soil amendment that can be used to treat acidic soil.
  18. 3(c)2 marks· CSEC Agricultural Science · May/June 2009 · Paper 2Briefly explain how the farmer would apply the identified soil amendment.
  19. 3(a)2 marks· CSEC Agricultural Science · May/June 2010 · Paper 2Explain how water causes soil erosion.
  20. 3(b)2 marks· CSEC Agricultural Science · May/June 2010 · Paper 2Suggest TWO conservation techniques, other than mulching and strip cropping, to reduce soil erosion.
  21. 4(c)1 mark· CSEC Agricultural Science · May/June 2011 · Paper 2Describe the relationship between soil compaction and tuber yield, shown in Table 1.
  22. 3(a)1 mark· CSEC Agricultural Science · May/June 2012 · Paper 2What is meant by the term 'pH'?
  23. 3(b)1 mark· CSEC Agricultural Science · May/June 2012 · Paper 2State on whose plot of land the soil is MORE acidic.
  24. 3(c)1 mark· CSEC Agricultural Science · May/June 2012 · Paper 2Suggest ONE reason that may account for the difference in soil pH between the two plots of land.
  25. 3(d)1 mark· CSEC Agricultural Science · May/June 2012 · Paper 2Recommend ONE soil management practice that can be used to increase the productivity of acidic soils.
  26. 4(a)1 mark· CSEC Agricultural Science · May/June 2012 · Paper 2What is meant by the term 'soil erosion'?
  27. 4(b)2 marks· CSEC Agricultural Science · May/June 2012 · Paper 2What is the relationship between burning and soil erosion as indicated in Table 1?
  28. 4(c)1 mark· CSEC Agricultural Science · May/June 2012 · Paper 2Name ONE soil management practice that can be used to reduce soil erosion.
  29. 2(b)2 marks· CSEC Agricultural Science · May/June 2013 · Paper 2Describe the effect of fertilizer on yield of corn, during Stages I and II of the production cycle.
  30. 3(a)2 marks· CSEC Agricultural Science · May/June 2013 · Paper 2Identify the layers labelled A and B.
  31. 3(b)2 marks· CSEC Agricultural Science · May/June 2013 · Paper 2Which of the two soils, X or Y, is likely to be more fertile? Give ONE reason for your answer.
  32. 4(b)(ii)1 mark· CSEC Agricultural Science · May/June 2013 · Paper 2Suggest ONE way in which wilting affects the yield of the crop.
  33. 3(a)(i)1 mark· CSEC Agricultural Science · May/June 2014 · Paper 2State what type of fertilizer is represented by the label 8 : 16 : 24.
  34. 3(a)(ii)1 mark· CSEC Agricultural Science · May/June 2014 · Paper 2Calculate the nitrogen to phosphorus ratio in the 8 : 16 : 24 fertilizer.
  35. 8(b)6 marks· CSEC Agricultural Science · May/June 2014 · Paper 2Explain THREE environmentally friendly soil-management practices to prevent fine powdery soil from being eroded by wind following ploughing and rotavating.
  36. 3(a)2 marks· CSEC Agricultural Science · May/June 2015 · Paper 2With reference to soil pH, explain the difference between acidic and alkaline soils.
  37. 3(b)2 marks· CSEC Agricultural Science · May/June 2015 · Paper 2Explain how this lack of calcium is likely to affect the yield of watermelons.
  38. 3(a)1 mark· CSEC Agricultural Science · May/June 2016 · Paper 2Define the term 'soil erosion'.
  39. 3(b)1 mark· CSEC Agricultural Science · May/June 2016 · Paper 2Identify the type of soil erosion shown in Figure 2.
  40. 3(c)2 marks· CSEC Agricultural Science · May/June 2016 · Paper 2Suggest TWO soil management practices to prevent the type of soil erosion shown in Figure 2.
  41. 3(a)2 marks· CSEC Agricultural Science · May/June 2017 · Paper 2State the name of the layers labelled X and Y in the soil profile shown in Figure 1.
  42. 3(b)2 marks· CSEC Agricultural Science · May/June 2017 · Paper 2Briefly explain the benefits of the fertilizer labelled 20:10:10 (NPK) to young, non-bearing fruit crop plants.

Related topics in Section B: Crop Production