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Application of the Cropping System Model (CSM)-CROPGROSoybean for Determining Optimum Management Strategies for Soybean in Tropical Environments

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Relation http://oar.icrisat.org/238/
http://dx.doi.org/10.1111/j.1439-037X.2009.00408.x
 
Title Application of the Cropping System Model (CSM)-CROPGROSoybean for Determining Optimum Management Strategies for Soybean in Tropical Environments
 
Creator Banterng, P
Hoogenboom, G
Patanothai, A
Singh, P
Wani, S P
Pathak, P
Tongpoonpol, S
Atichart, S
Srihaban, P
Buranaviriyakul, S
Jintrawet, A
Nguye, T C
 
Subject Agriculture-Farming, Production, Technology, Economics
 
Description The determination of optimum crop management practices for increasing soybean production can provide valuable information for strategic planning in the tropics. However, this process is time consuming and expensive. The use of a
dynamic crop simulation model can be an alternative option to help estimate yield levels under various growing conditions. The objectives of this study were to evaluate the performance of the Cropping System Model (CSM)-CROPGROSoybean and to determine optimum management practices for soybean for growing conditions in the Phu Pha Man district, Thailand. Data from two soybean experiments that were conducted in 1991 at Chiang Mai University and in 2003
at Khon Kaen University were used to determine the cultivar coefficients for the cultivars CM 60 and SJ 5. The CSM-CROPGRO-Soybean model was evaluated with data from two experiments that were conducted at Chiang Mai University.
The observed data sets from farmers’ fields located in the Phu Pha Man district were also used for model evaluation. Simulations for different management scenarios were conducted with soil property information for seven different soil series and historical weather data for the period 1972–2003 to predict the optimum crop management practices for soybean production in the Phu Pha Man district. The results of this study indicated that the cultivar coefficients of the two soybean cultivars resulted in simulated growth and development parameters that were in good agreement with almost all observed parameters. Model evaluation showed a good agreement between simulated and observed data for phenology and growth of soybean, and demonstrated the potential of the CSM-CROPGROSoybean model to simulate growth and yield for local environments, including farmers’ fields, in Thailand. The CSM-CROPGRO-Soybean simulations indicated
that the optimum planting dates from June 15 to July 15 produced maximum soybean yield in a rainfed environment. However, the planting date December 15 produced the highest yield under quality irrigation. Soybean yield was slightly
improved by applying nitrogen at a rate of 30 kg N ha)1 at planting. Soybean yield also improved when the plant density was increased from 20 to 40 plants m)2. The results from this study suggest that the CSM-CROPGRO-Soybean model can be a valuable tool in assisting with determining optimum management practices for soybean cropping systems in the Phu Pha Man district and might be applicable to other agricultural production areas in Thailand and southeast Asia.
 
Publisher Blackwell Publishing
 
Date 2010
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/238/1/n81.pdf
Banterng, P and Hoogenboom, G and Patanothai, A and Singh, P and Wani, S P and Pathak, P and Tongpoonpol, S and Atichart, S and Srihaban, P and Buranaviriyakul, S and Jintrawet, A and Nguye, T C (2010) Application of the Cropping System Model (CSM)-CROPGROSoybean for Determining Optimum Management Strategies for Soybean in Tropical Environments. Journal Of Agronomy And Crop Science, 196. pp. 231-242. ISSN 0931-2250