Abstract
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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Claims 7
Claim · model-written summary
Increasing CO2 alone increased simulated soybean yield.
- Taxon
- soybean
Glycine maxe0 - Treatment
- increasing CO2 concentrations alonee0
- Outcome
- soybean yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing CO2 concentrations alone resulted in increased soybean yield”
Claim · model-written summary
Reduced rainfall negatively affected simulated soybean yield.
- Taxon
- soybeanGlycine maxt0
- Treatment
- reduction in rainfall amounte0
- Direction
- negative impacte0
Not reportedComparatorOutcome
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduction in rainfall amount indicated negative impact on it.”
t0“soybean”
Claim · model-written summary
Increasing temperature compounded the rainfall reduction effect and reduced soybean yield.
- Taxon
- soybeanGlycine maxe0
- Treatment
- increase in temperaturee0
- Outcome
- soybean yielde0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This effect further compounded with increase in temperature and thus, reduced soybean yield.”
Claim · model-written summary
Increasing temperature with 10% lower rainfall decreased soybean yield by 10%.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Increasing the temperature with 10% decrease in rainfalle0
- Outcome
- soybean yielde0
- Direction
- declinede0
- Value
- 10%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing the temperature with 10% decrease in rainfall declined the soybean yield by 10%.”
Claim · model-written summary
Increasing temperature and rainfall did not favor soybean growth.
- Taxon
- soybeanGlycine maxe0
- Treatment
- increase in temperature along with increase in rainfalle0
- Outcome
- soybean growthe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increase in temperature along with increase in rainfall also not resulted favorably soybean growth.”
Claim · model-written summary
Lowering temperature by 1oC and increasing rainfall by more than 10% benefited soybean productivity.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Decreasing the temperature from the base by 1oC and increasing the rainfall by more than 10%e0
- Outcome
- soybean productivitye0
- Direction
- benefittede0
- Comparator
- basee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Decreasing the temperature from the base by 1oC and increasing the rainfall by more than 10% benefitted the soybean productivity”
Claim · model-written summary
Increasing temperature by 1oC without changing rainfall decreased soybean productivity by 10-15%.
- Taxon
- soybeanGlycine maxe0
- Treatment
- increasing the temperature by 1oC with no change in rainfalle0
- Outcome
- soybean productivitye0
- Direction
- declinee0
- Value
- 10-15%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the temperature by 1oC with no change in rainfall resulted decline in soybean productivity by 10-15%.”
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