

"Principle of Plant Nutrition in Organic Agriculture" by Edwin Scheller questions the classical theory of plant nutrition. Based on studies on potash, phosphorus, and amino acids, he demonstrates the ability of plants to actively mobilize nutrients from the soil. This book also sheds light on the connections between biodynamic and organic agriculture and the scientific context of the time. An essential work for sustainable agriculture professionals.
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"Principle of Plant Nutrition in Organic Farming" is a fundamental work by Edwin Scheller, a German agronomist recognized for his work on plant nutrition. His analysis challenges the classical theory based on the passive absorption of nutrients by the plant.
Through a rigorous scientific approach and in-depth studies on elements like potash, phosphorus, and amino acids, Edwin Scheller demonstrates that the plant, at a certain stage of its development and under optimal agronomic conditions, can actively mobilize the nutrients present in the soil. This revolutionary hypothesis sheds new light on practices in organic and biodynamic agriculture.
This book is not limited to a scientific demonstration. It also offers a reflection on the evolution of agricultural practices and the influence of 20th-century scientific currents on the construction of current agricultural models. It particularly helps to better understand certain principles developed by Rudolf Steiner, especially concerning the approach to soil fertility.
Unfortunately, this work remained unfinished due to the premature death of its author. However, its content remains of great value and offers essential perspectives to farmers, researchers, and agronomy students.
This book is particularly aimed at professionals engaged in a natural and sustainable fertilization approach, eager to optimize the soil's capacity to autonomously nourish plants. It is a valuable read for all those wishing to deepen their knowledge on plant nutrition in organic farming.
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