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Crop rotation is a common practice on Irish tillage farms - Leaving Cert Agricultural Science - Question 3(a) - 2021

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Question 3(a)

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Crop rotation is a common practice on Irish tillage farms. (i) Explain the underlined term. (ii) State two advantages of crop rotation. (iii) Suggest two disadvan... show full transcript

Worked Solution & Example Answer:Crop rotation is a common practice on Irish tillage farms - Leaving Cert Agricultural Science - Question 3(a) - 2021

Step 1

Explain the underlined term.

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Answer

Crop rotation refers to the practice of growing different types of crops in a specific sequence on the same land over a certain number of years. This method helps maintain soil fertility and reduce pest and disease buildup. For example, rotating between legumes and cereals can enhance the nutrient content of the soil.

Step 2

State two advantages of crop rotation.

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Answer

  1. Improves soil health by enhancing nutrient availability and reducing soil erosion.

  2. Helps in pest control by interrupting pest life cycles and reducing the buildup of diseases.

Step 3

Suggest two disadvantages of using chemical sprays in crop production.

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Answer

  1. They can be toxic to human health and may lead to a buildup of harmful substances in the food chain.

  2. Chemical sprays can cause pollution, which adversely affects the environment and can harm non-target species such as pollinators.

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