Year: 2014 | Month: September | Volume 7 | Issue 3
Impact of Elevated CO2 on Growth and Yield of Wheat Crop: A Review
Abstract:
In this manuscript, 19 research studies with 79 experiments from 9 countries of the world based on growth, yield and their components of Wheat (Tritium aestivum L.), under various CO2 levels was analyzed. Only the recently published research studies (excluding models and mathematical tools based research) were considered in the study. Most of the selected experiment confirmed that elevated CO2 have positive impact on growth, yield and its components. Majority of the observations confirm that the elevated CO2 improved the growth & development processes as well as the yield & yield attributes of Wheat crop. No doubt elevated CO2 have positive impact on various growth and yield parameters but when we consider the impact of climate change (elevated temperature, drought, and increasing concentration of anthropogenic gases like SO2, CO, CH4 etc.) the response of CO2 will become negative. Even though elevated levels of CO2 has potential to compensate the impact of other changes in climate and may create a path in future to meet the demand of burgeoning world population.
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