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Potential impact of future climate change on maize (Zea mays L.) under rainfed condition in central India

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Title Potential impact of future climate change on maize (Zea mays L.) under rainfed condition in central India
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Creator ROHIT PATIDAR
M. MOHANTY
NISHANT K. SINHA
S.C. GUPTA
J. SOMASUNDARAM
R.S. CHAUDHARY
R. SOLIYA
K.M. HATI
M. PRABHAKAR
K. SAMMI REDDY
A.K. PATRA
SRINIVAS RAO CH.
 
Subject Maize, climate change, rainfed, central India
 
Description Not Available
A simulation experiment was carried out using Agriculture Production Systems Simulator (APSIM) model to assess the impact of climate change (change in temperature and rainfall patterns) on productivity of maize in the state Madhya Pradesh. Thirty districts with 74 soil profiles from Madhya Pradesh state were considered for the study. However, we are presenting the average results over districts and soil profiles. A well-parameterised and validated APSIM model was used to simulate the effects of temperature and rainfall on maize grain and biomass yield. Increase in temperature having negative effects on both grain and biomass yield of maize. While increasing the temperature from base to 5 °C, the grain and biomass yield of maize decreased by 40% and 28%, respectively. Further, increasing the temperature by 1 °C could reduce the grain and biomass yield by 10% and 8 %, respectively. A small increase in maize yield was observed by 10% decrease of rainfall from the base. While rainfall increase by 10% or more and decrease by >20% would results in lower maize yield and biomass. The decrease in maize yield due to increase in temperature could be attributed to decrease in duration of the crop. One-degree increase in temperature may decrease the duration of crop by 4.3 days. This study also revealed that agronomic management practices such as delaying of sowing dates could reduce the impact of climate change on crop yield to a considerable extent. By adopting the sowing date between 7th and 14th July, it may be possible to reduce the impact of temperature change on maize grain and biomass yield in central Indian condition.
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Date 2024-01-29T10:55:50Z
2024-01-29T10:55:50Z
2020-03-01
 
Type Research Paper
 
Identifier ROHIT PATIDAR, M. MOHANTY, NISHANT K. SINHA, S.C. GUPTA, J. SOMASUNDARAM, R.S. CHAUDHARY, R. SOLIYA, K.M. HATI, M. PRABHAKAR, K. SAMMI REDDY, A.K. PATRA, & SRINIVAS RAO CH. (2020). Potential impact of future climate change on maize (Zea mays L.) under rainfed condition in central India. Journal of Agrometeorology, 22(1), 18–23. https://doi.org/10.54386/jam.v22i1.117
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http://krishi.icar.gov.in/jspui/handle/123456789/81304
 
Language English
 
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