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Climate change impacts vis-à-vis productivity of soybean in Vertisol of Madhya Pradesh

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Title Climate change impacts vis-à-vis productivity of soybean in Vertisol of Madhya Pradesh
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Creator Mohanty, M., Sinha, N. K., Sonali, P., Chaudhary, R. S., Sammi Reddy, K., Hati, K. M., Somasundaram, J., Lenka, S., Patidar, R. K., Prabhakar, M., Sinivasarao, Ch. And Patra, A. K.
 
Subject Climate change
CO2
temperature
rainfall
APSIM
soybean
 
Description Not Available
The impact of climate change on agricultural crops is a major concern and threats to the global
food security. It also limits the potential of crops and cropping system in a given area. Therefore, the
present study was aimed to assess the combined effect of positive (CO2 fertilization, lesser temperature
and higher rainfall) and negative (higher temperature, lower rainfall) impacts of the futuristic climatic
scenarios on productivity of soybean using APSIM (Agricultural Production Systems sIMulator) model.
We have followed the Climate-Crop Modeling Project (C3MP) methodology and generated ninety-nine
sensitive test to achieve each test’s temperature, rainfall and CO2 concentration range. Using 30 years of
climate data (1980-2010) of Central India as base, the simulation results showed that increasing CO2
concentrations alone resulted in increased soybean yield. Similarly, reduction in rainfall amount indicated
negative impact on it. This effect further compounded with increase in temperature and thus, reduced
soybean yield. Increasing the temperature with 10% decrease in rainfall declined the soybean yield by
10%. Whereas, increase in temperature along with increase in rainfall also not resulted favorably soybean
growth. Decreasing the temperature from the base by 1oC and increasing the rainfall by more than 10%
benefitted the soybean productivity, whereas increasing the temperature by 1oC with no change in rainfall
resulted decline in soybean productivity by 10-15%.
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Date 2021-08-25T04:39:56Z
2021-08-25T04:39:56Z
2017-03-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/60433
 
Language English
 
Relation Not Available;
 
Publisher Not Available