ESSENTIAL MINERAL ELEMENTS PART 02

MACRO NUTRIENTS: 1, 2, 3 - Carbon, Hydrogen and Oxygen: These three elements are referred to as frame work elements. These elements constitute the major part of dry weight of the plant Carbon 45%, Oxygen 43%, and Hydrogen 6%. These elements are not mineral in origin. They enter into composition of all organic compounds of the plants. They are taken up by plants in the form of 〖CO〗_2 and water. Carbon is absorbed in the form of 〖CO〗_2 from air. It is essential for the synthesis of carbohydrates and fats whi