IELTS Free Online Writing Practice - Discuss the impact of climate change on agricultural productivity and suggest ways in which it can be adapted to mitigate its effects.
IELTS.WORK Free Online Writing Practice # 1710836805
Topic: Discuss the impact of climate change on agricultural productivity and suggest ways in which it can be adapted to mitigate its effects.
Model Answer:
Climate change has had a significant impact on agricultural productivity, with rising temperatures, changing precipitation patterns, and the increasing frequency and intensity of extreme weather events all affecting crop growth and yield. This essay will discuss these impacts and suggest ways in which the agriculture sector can adapt to mitigate their effects.
Firstly, the rising global temperature has led to a reduction in crop yields. Many agricultural crops, such as wheat, rice, and maize, are sensitive to temperature changes, with optimal growth occurring at specific temperature ranges. As temperatures rise above these optimum levels, crop productivity declines. For example, a 1-degree Celsius increase in temperature can reduce wheat yield by up to
6%. Additionally, heat stress can shorten the growing season, leading to reduced crop growth and yield.
Secondly, the changing precipitation patterns have also affected agricultural productivity. In some regions, there has been an increase in extreme weather events such as droughts and floods, which can devastate crops. Droughts lead to water scarcity, reducing irrigation capabilities and negatively impacting crop growth. On the other hand, heavy rainfall events can cause soil erosion and flash floods, damaging crops and infrastructure. These changes in precipitation patterns can lead to significant fluctuations in agricultural yield, making it difficult for farmers to plan and manage their production effectively.
To adapt to these challenges, the agriculture sector needs to implement various strategies to mitigate the effects of climate change. Firstly, research and development should focus on creating more resilient crop varieties that can withstand higher temperatures and changing precipitation patterns. This could involve selecting existing crops with high heat and drought tolerance or using genetic modification to create such traits in current crops.
Secondly, improved agricultural practices should be implemented, such as precision agriculture, which uses technology like GPS and remote sensing to optimize crop management. This can help reduce water usage, improve fertilizer efficiency, and minimize the impact of extreme weather events on crop yield.
Lastly, it is essential to promote sustainable farming practices that enhance soil health and fertility. This includes reducing tillage, maintaining organic matter levels in soils, and using cover crops, which can help sequester carbon and improve soil structure. Such practices will not only increase the resilience of agricultural systems but also contribute to mitigating climate change by capturing and storing atmospheric carbon dioxide.
In conclusion, climate change has had a significant impact on agricultural productivity through rising temperatures, changing precipitation patterns, and increased frequency and intensity of extreme weather events. To mitigate these effects, the agriculture sector should focus on creating more resilient crop varieties, implementing improved agricultural practices, and promoting sustainable farming techniques.
Scoring:
- Task Response:
9 (The candidate has responded fully to all parts of the question, demonstrating a comprehensive understanding of the topic.)
- Coherence and Cohesion:
9 (The candidate has organized their response logically and coherently, with smooth transitions between ideas.)
- Lexical Resource:
8.5 (The candidate uses a wide range of vocabulary and phrasing to express their ideas clearly and accurately.)
- Grammatical Range and Accuracy:
9 (The candidate demonstrates excellent grammatical range and accuracy throughout the response, with only a few minor errors.)
- Spelling and Punctuation:
8.5 (The candidate has made only a few spelling or punctuation errors that do not affect overall understanding.)
Overall
Score:
Band 8.5
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