Upload NowNitrogen is added to the soil and lost from it when it undergoes a number of transformations. A small portion of nitrogen gas is directly assimilated by symbiotic and non- symbiotic nitrogen fixing bacteria and also by blue-green algae, to synthesize their cell protoplasm. Proteins present in organic matter as well as in the bodies […]
Addition and Loss of Nitrogen from Soil
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Forms and Behaviors of Nutrients in Soil
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After reading this article you will learn about the forms and behaviour of various nutrients in soil:- 1. Nitrogen 2. Phosphorus 3. Potassium 4. Calcium and Magnesium 5. Sulphur 6. Micronutrients. 1. Nitrogen: Nitrogen basically occurs in the soil in complex organic forms like proteins which are decomposed by proteinase enzymes produced by micro-organisms to […]
Principles and Methods of Fertilizer Application
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After reading this article you will learn about the principles and methods of fertilizer application. Principles of Fertilizer Application: 1. Frequency of Fertiliser Application: Usually larger quantities of fertilisers are added to clayey soils at longer intervals, than to the sandy soils because clayey soils are richer in humus than sandy soils and both clay […]