Journal of Food, Agriculture and Environment

Modeling for utilizing soil yield potential in sustainable rice cultivation


Md. Abdullah Al Mamun,   Md. Moynul Haque, Md. Abu Saleque , Qazi Abdul Khaliq, A. J. M. Sirajul Karim, Md. Tanbir Rubayet, Md. Abdul Karim,

Recieved Date: 2020-07-13, Accepted Date: 82020-09-16


The fundamental goal of sustainable agricultural is to meet food demand without disturbing soil and environment. However, the heavy fertilization is crucial for higher agricultural production to feed increasing population. However, environmental pollution through nutrient leaching or runoff has a serious concern due to their negative environmental consequences. Therefore, the inherent nutrient supply capacity of a soil (soil yield potential) should be explored because it has direct relationship with crop yield. To determine the impact of initial soil fertility on crop yield, 144 soil samples were collected from south central region of Bangladesh during boro season of 2013 and 2014. Soil properties were determined following standard procedure. The yield of rice demonstrated a strong linear relationship with Soil Organic Carbon (SOC) content, but poor with other soil properties like pH, total N, available P and exchangeable K. Hence, a generic model was developed from the association of grain yield and SOC. According to the model, if the initial SOC content of crop field increased by 1%, the rice yield may be increased by 4.58 t ha-1 in boro season. Therefore, there is a great potential of enhancing the crop yield by improving the SOC content of soil. It will limit overuse of nutrients which can save production cost and protect environment.


Generic model, rice yield, Soil Organic Carbon, soil chemical properties, soil yield potential

Journal: Journal of Food, Agriculture and Environment
Year: 2020
Volume: 18
Issue: 3&4
Category: Agriculture
Pages: 80-86

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