Transcription of CHAPTER 12 INERAL NUTRITION
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CHAPTER 12 INERAL NUTRITION
194 BIOLOGYThe basic needs of all living organisms are essentially the same. Theyrequire macromolecules, such as carbohydrates, proteins and fats, andwater and minerals for their growth and CHAPTER focusses mainly on inorganic plant NUTRITION , whereinyou will study the methods to identify elements essential to growth anddevelopment of plants and the criteria for establishing the will also study the role of the essential elements, their major deficiencysymptoms and the mechanism of absorption of these essential CHAPTER also introduces you briefly to the significance and themechanism of biological nitrogen TO STUDY THE mineral REQUIREMENTS OF PLANTSIn 1860, Julius von Sachs, a prominent German botanist, demonstrated,for the first time, that plants could be grown to maturity in a definednutri
the mineral nutrients essential for plants. The essence of all these methods involves the culture of plants in a soil-free, defined mineral solution. These ... Whenever the supply of an essential element becomes limited, plant growth is retarded. The concentration of the essential element below which plant
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