Site-specific nutrient management

As the global population continues to grow, the rice cropping system has shifted toward intensified farming to be able to produce food significantly. New varieties with higher fertilizer response are grown nowadays and the originally used organic fertilizer cannot cover the increased nutrient demand. Inorganic fertilizers became easily available which led to high application rate, especially of nitrogen.  A number of crop problems can be related to inefficient management of nutrients and nutrient imbalances in the field.