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Microplot Design and Plant and Soil Sample Preparation for 15Nitrogen Analysis

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Published on: May 10, 2020

Fertilizer consumption trend in developing countries vs. developed countries.

Babak Motesharezadeh¹, Hassan Etesami², Sepideh Bagheri-Novair²

¹Department of Soil Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Tehran, 31587-778712, Iran. moteshare@ut.ac.ir.

Environmental Monitoring and Assessment

|February 13, 2017

Summary

This study compares chemical fertilizer consumption trends from 1980-2012 in six countries. The USA consumed the most fertilizer, while Iran consumed the least, highlighting varying nutrient application rates and arable land use.

Keywords:

Agricultural crops Chemical fertilizers Food security Inputs

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Area of Science:

Agricultural Science
Environmental Science
Agronomy

Background:

Chemical fertilizer consumption data is crucial for informed decisions in fertilizer production and environmental impact assessments.
Understanding historical trends in fertilizer use is essential for sustainable agriculture and global food security.

Purpose of the Study:

To analyze and compare the trends in chemical fertilizer consumption between 1980 and 2012 across Iran, Turkey, Japan, Germany, France, and the USA.
To evaluate nutrient application rates (N-P2O5-K2O), arable land, and total fertilizer consumption in the selected countries.

Main Methods:

Comparative analysis of fertilizer consumption data from 1980 to 2012.
Examination of key indices including nutrient application rates (kg/ha), arable land area, and total fertilizer usage.
Statistical analysis of consumption patterns and trends across different nations.

Main Results:

In 2012, nutrient application rates (N-P2O5-K2O) varied significantly, with Japan at 100-94-60 and Iran at 100-42-7 kg/ha.
The USA had the largest arable land area (155.0 million ha), while Japan had the smallest (4.0 million ha).
Average net fertilizer consumption over three decades showed a clear hierarchy: USA > France > Germany > Turkey > Japan > Iran.

Conclusions:

Significant disparities exist in chemical fertilizer consumption and application rates among the studied countries.
Optimizing fertilizer consumption is vital for enhancing food production and ensuring environmental conservation, especially with a projected global population of 9.2 billion by 2050.
Balanced nutrient management is key to achieving sustainable agriculture and food security.