Podcast
Questions and Answers
Which farming practice involves growing different crops alternately in the same field to replenish soil nutrients?
Which farming practice involves growing different crops alternately in the same field to replenish soil nutrients?
- Field fallow
- Levelling
- Crop rotation (correct)
- Broadcasting
The primary disadvantage of using fertilizers is that they enrich the soil structure and promote microbial activity.
The primary disadvantage of using fertilizers is that they enrich the soil structure and promote microbial activity.
False (B)
What is the term for the process of loosening and turning the soil?
What is the term for the process of loosening and turning the soil?
ploughing or tilling
The practice of leaving a field uncultivated for a season to restore its fertility is known as ______.
The practice of leaving a field uncultivated for a season to restore its fertility is known as ______.
Match the following crops with their respective seasons:
Match the following crops with their respective seasons:
Why should watering be increased during summer season?
Why should watering be increased during summer season?
The removal of weeds or undesirable plants is called manuring.
The removal of weeds or undesirable plants is called manuring.
Name one method of weed control that involves ploughing or burning weeds before they produce flowers and seeds.
Name one method of weed control that involves ploughing or burning weeds before they produce flowers and seeds.
In drip irrigation, water is released drop by drop around the roots of the plants through devices called ______.
In drip irrigation, water is released drop by drop around the roots of the plants through devices called ______.
Match each irrigation system with its description:
Match each irrigation system with its description:
Which of the following is a disadvantage of traditional irrigation methods?
Which of the following is a disadvantage of traditional irrigation methods?
Sprinkler system is useful for sandy soil where sufficient water is available.
Sprinkler system is useful for sandy soil where sufficient water is available.
What is the primary function of Rhizobium bacteria in leguminous plants?
What is the primary function of Rhizobium bacteria in leguminous plants?
The accumulation of fertilizers in water bodies, leading to excessive growth of plants on the surface, is called ______.
The accumulation of fertilizers in water bodies, leading to excessive growth of plants on the surface, is called ______.
Match the fertilizer type with its composition:
Match the fertilizer type with its composition:
Why are earthworms known as a 'farmer's friend'?
Why are earthworms known as a 'farmer's friend'?
Manures mainly consist of inorganic substances obtained from factories.
Manures mainly consist of inorganic substances obtained from factories.
What properties of soil are increased by the addition of manure, other than the number of friendly microbes?
What properties of soil are increased by the addition of manure, other than the number of friendly microbes?
Before sowing, some plants are grown and then mulched by ploughing them into the soil to obtain ______ manure.
Before sowing, some plants are grown and then mulched by ploughing them into the soil to obtain ______ manure.
Match the sowing method with its description:
Match the sowing method with its description:
Flashcards
Kharif crops
Kharif crops
Autumn or monsoon crops sown in the rainy season (June-July).
Rabi crops
Rabi crops
Winter crops sown in October and harvested in March-April.
Agricultural practices
Agricultural practices
Activities by a farmer ensuring good crop yield.
Crops
Crops
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Weeding
Weeding
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Canal system
Canal system
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Tanks
Tanks
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Dug well
Dug well
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River lift system
River lift system
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Drip System
Drip System
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Field fallow
Field fallow
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Crop rotation
Crop rotation
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Biofertilizers
Biofertilizers
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Fertilizers
Fertilizers
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Manure
Manure
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Sowing
Sowing
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Broadcasting
Broadcasting
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Earthworm
Earthworm
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Sprinkler system
Sprinkler system
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Ploughing/Tilling
Ploughing/Tilling
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Study Notes
- High-yielding seed varieties appeared after 1965, triggering an increase in fertilizer use, this is also known as the green revolution.
- Agriculture made India self-sufficient in food grains.
- During the time when people were nomadic 10,000 B.C., they looked for food and shelter, which led to the cultivation of land and the production of crops such as rice and wheat.
- Food provides energy to organisms for carrying out various functions.
- Food is produced on a large scale for consumption.
- Food is needed to provide energy, growth, protection, and repair of the injure parts of the body.
Crop Types
- Crops of the same kind grown and cultivated at one place on a large scale are known as crops.
- Crops are divided into two main categories based on the growing season: Kharif and Rabi.
Kharif crops
- Kharif crops are grown in the rainy season.
- Kharif crops are sown in June-July and harvested in September-October.
- Kharif crops require warm and wet weather.
- Kharif crops need a lot of water.
- Examples include paddy, maize, soybean, groundnut, and cotton.
Rabi crops
- Rabi crops are winter crops.
- Rabi crops are sown in October and harvested in March-April.
- Rabi crops require dry and cold weather.
- Rabi crops do not need a lot of water.
- Examples include wheat, gram, pea, mustard, and linseed.
Zayad crops
- Zayad crops are sown in March/April and are harvested before the rainy season.
- Examples include gourd, melons, etc.
- Cereal crops are rich in carbohydrates and provide energy such as rice, wheat, maize, sorghum, barley, millets.
- Pulses are rich in protein and helpful for body building.
- Oil seed crops are rich in oil and fatty acids and provide energy.
- Agricultural practices are actvities carried out by the farmer to ensure good crop yield.
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