Answers

2015-10-28T20:37:15+05:30
Copper , as calcium ,mg or phosphorous are macro nutrients
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2015-10-28T20:39:01+05:30
Nutrients are supplied to plants by air,water and soil.There are sixteen nutrients which are essential for plants.Air supplies carbon and oxygen,hydrogen comes from water and soil supplies other thirteen nutrients.Among this thirteen nutrients six are required in large amounts and are therefore macro-nutrients and the other seven are micro nutrients.
Macronutrients are nitrogen,phosphorus,potassium,calcium,magnesium and sulpher.
Micro nutrients are iron,zinc,manganese,boron,copper,molybdenum and chlorine.

Among the above options,copper is micro nutrient.
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