The essentiality of potassium to higher plants was at first reported by ........

Agriculture ( Patwari Exam) Farming Practise and Agri Eduaction

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The essentiality of potassium to higher plants was at first reported by :

Russel

Sprengel

Steinberg

Arnon

Explanation:

Ans. Sprengel

At the beginning of the 19th century, Carl Sprengel published several works about the role of essential resources on plant growth. He affirmed that “when a plant needs 12 substances to develop, it will not grow if any one of these is not available in a sufficiently large amount as required by the nature of plants” (Sprengel, 1828).