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Soil & Fertilizers
Hiralal Jana
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फसल उत्पादन में महत्वपूर्ण भूमिका और नगण्य अावश्यकता वाले शुक्ष्म तत्व (ट्रेस एलीमेंट्स)
For proper growth and development of plants, require essential nutrients which are categorized in two groups on the basis of amount of requirement in plant body as macronutrients (more required) and micronutrients / trace elements (less required).
Deficiency of trace elements in soil inhibits plants to complete its life cycle properly which ultimately affect on crop production. Therefore, farmers should give more emphasis on this aspect and extension agency should provide more information on trace elements to farmers for their awareness and better knowledge.
Plants require food for growth and development. At the beginning of the new phase of the life process from a seed or other propagule, plants are nourished by the food reserved in such structures or organs.
This period is very short and in latter stages when the plants are growing then generally 16 nutrients are very essential for proper establishment and completion of life cycle. These are: carbon, hydrogen, oxygen, nitrogen phosphorus, potassium, calcium, magnesium, sulphur, boron, copper, chlorine, iron, manganese, molybdenum and zinc.
In addition, more elements viz., sodium, cobalt, vanadium, silicon etc. are absorbed by some plants for special purposes. All these elements are not required for all plants, but all have been found essential...