Advertisements
Advertisements
प्रश्न
What are macro-nutrients and why are they called macronutrients?
Advertisements
उत्तर
Nutrients are supplied to plants by air, water and soil. There are several nutrients that are essential for plants. Air supplies carbon and oxygen, hydrogen comes from water, and soil supplies the other thirteen nutrients to plants. Amongst these, some are required in large quantities and are called macro-nutrients. The six macronutrients required by plants are nitrogen, phosphorus, potassium, calcium, magnesium, and sulphur.
APPEARS IN
संबंधित प्रश्न
Distinguish between micronutrients and macronutrients. Give suitable examples.
How plants get nutrients ?
Mention three effects of excessive irrigation.
Why water should be used judiciously ?
Why are leguminous crops desirable in crop rotation?
Classify plant diseases depending upon their occurrence and transmission.
Explain the methods of controlling insect pests.
Explain various effects of weeds on crop plants.
Which one is not a source of carbohydrates?
The crops which are grown in the rainy season are called ______ crops.
