Question
Given reasons: Nitrogen is a limiting nutrient in the agricultural system.
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Answer
- Nitrogen is a major nutrient for plant growth.
- Proper carbon/nitrogen ratio in soil is necessary for plant growth.
- It is component of proteins in the form of amino acids.
- Proteins are synthesised from photosynthetic products sugars.
- Nitrogen exists in atmosphere but it is inert, non-reactive.
- Plants need nitrogen in a reactive form usually nitrate in soil.
- This supply need to be maintained through biological and physical nitrogen fixation.
- Otherwise productivity is affected hence it is limiting nutrient in the agricultural ecosystem.
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