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Machine learning techniques to support on-farm yield adaptability

Machine learning techniques to support on-farm yield adaptability

The relationship between biophysical (environmental conditions) and crop management variables can explain 25% yield variability. This was revealed by a study using interpretable machine learning methods using large-scale farmers’ field data.

Researchers from the Indian Agricultural Research Institute (ICAR), International Maize and Wheat Improvement Center (CIMMYT) and International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) undertook a study that outlines the different machine learning methods available to explain on-farm yield variability and to demonstrate the practicality of these interpretable techniques for agronomic studies. The study used extensive data for irrigated wheat in the north-western Indo-Gangetic Plains (IGP) of India.

Research revealed the most important management variables explaining yield variability were nitrogen application rate and crop residue management. ​ The average monthly cumulative solar radiation during February and March, during the reproductive phase of the crop, was found to be the most crucial biophysical variable. The data also highlighted the correlation between crop residue management and disease management and nitrogen application rates and seeding rates. ​

"The study also compared machine learning model outputs against empirical data to contextualize results and provide a blueprint for future analysis in other production systems, " said Dr ML Jat, Global Research Program Director, Resilient Farm and Food Systems, ICRISAT.

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About The International Crops Research Institute for the Semi-Arid Tropics

The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) is a pioneering International Organization committed to developing and improving dryland farming and agri-food systems to address the challenges of hunger, malnutrition, poverty, and environmental degradation affecting the 2.1 billion people residing in the drylands of Asia, Sub-Saharan Africa, and beyond.

ICRISAT was established under a Memorandum of Agreement between the Government of India and the CGIAR on the 28 March 1972. In accordance with the Headquarters Agreement, the Government of India has extended the status of a specified “International Organisation” to ICRISAT under section 3 of the United Nations (Privileges and Immunities) Act, 1947 of the Republic of India through Extraordinary Gazette Notification No. UI/222(66)/71, dated 28 October 1972, issued by the Ministry of External Affairs, Government of India.

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The International Crops Research Institute for the Semi-Arid Tropics
Hyderabad, Telangana, India