Advertisements
Advertisements
प्रश्न
Which of the following is not true for fertilisers?
पर्याय
They increase the yield
Their excessive use disturbs the balance of nutrients in soil
They are generally used in small quantity
They are environment friendly
Advertisements
उत्तर
They are environment friendly
Explanation:
Fertilisers are not environment friendly as they are chemical substances rich in particular nutrients. Though they increase the crop yield, the repeated and excessive use of fertilisers in the same field reduces the soil fertility. It also pollutes water bodies as they get dissolved and washed away by rain and also seeps into the water table posing threats to humans.
APPEARS IN
संबंधित प्रश्न
For growing a crop, sufficient sunlight and _________ and _________ from the soil are essential.
What is the advantage of storing grain in wattle and daub baskets?
______ is called as farmer’s best friend.
Fertilizers containing only plant or animal-based materials or those synthesized by microorganisms are called inorganic fertilizers.
Differentiate between organic and inorganic fertilizer.
All the plants get their ______ from the soil.
Tabulate the nutrients present in inorganic fertilizers.
Define Biofertilizer.
The process of loosening and turning of soil is called ______.
