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GOSSYM is a dynamic, process-level simulation model of cotton growth and yield. GOSSYM essentially is a materials balance model which keeps track of carbon and nitrogen in the plant and water and nitrogen in the soil root zone. GOSSYM predicts the response of the field crop to variations in the environment and to cultural inputs. Specifically, the model responds to weather inputs of daily total solar radiation, maximum and minimum air temperatures, daily total wind run, and rainfall and/or irrigation amount. The model also responds to cultural inputs such as preplant and withinseason applications of nitrogen fertilizer, row spacing and within row plant density as they affect total plant population, and cultivation practices.

Dataset Info

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USDA Agricultural Research Service
Product Type
United States Department of Agriculture
Contact Name
Pachepsky, Yakov
Contact Email
Public Access Level
Primary Article

Reddy, K., Boone, M., Reddy, A., Hodges, H., Turner, S., & McKinion, J. (1995). Developing and validating a model for a plant growth regulator. Agronomy Journal, (87)6, 1100-1105.

AgID: 1463937
Related Content
Funding Source(s)
Agricultural Research Service
Program Code
005:037 - Department of Agriculture - Research and Education
Bureau Code
005:18 - Agricultural Research Service
Modified Date
Release Date
Ag Data Commons Keywords: 
  • Plants & Crops
  • Crop production
  • Cropping system
  • Plants & Crops
  • Crop production
  • Plants & Crops
ISO Topic(s):