Agriculture Practices and Crop Management

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Questions and Answers

What role do micronutrients like iron and boron play in plants?

  • They promote root growth exclusively.
  • They contribute to reproductive processes and disease resistance. (correct)
  • They are required only in amounts larger than macro-nutrients.
  • They are essential for photosynthesis.

Which of the following describes the process of vermicomposting?

  • Utilizing earthworms to accelerate the decomposition of organic waste. (correct)
  • Composting using chemical fertilizers to enhance decomposition.
  • Incorporating wood chips and sawdust into the compost mix.
  • Applying heat to compost materials to speed up breakdown.

What is a primary benefit of using green manure before cropping?

  • To create a barrier against pests and diseases.
  • To supply water directly to the plants.
  • To reduce soil erosion significantly.
  • To enhance soil fertility through nitrogen and phosphorus enrichment. (correct)

How do fertilizers affect the farming yield?

<p>They are crucial for higher yields through their nutrient provision. (D)</p> Signup and view all the answers

What is a common issue with the excessive use of fertilizers?

<p>They can disrupt the microbial balance in the soil. (A)</p> Signup and view all the answers

Which statement accurately describes manure?

<p>It provides both organic matter and limited nutrients to the soil. (B)</p> Signup and view all the answers

Why is it essential to apply fertilizers carefully?

<p>To ensure complete utilization and prevent nutrient loss. (A)</p> Signup and view all the answers

What is a potential consequence of improper irrigation after fertilizer application?

<p>Washing away of fertilizers, leading to water pollution. (A)</p> Signup and view all the answers

What is the first stage in the practices involved in farming?

<p>Choice of seeds for planting (B)</p> Signup and view all the answers

Which method is NOT mentioned as a way to incorporate desirable traits into crop varieties?

<p>Genetic engineering (C)</p> Signup and view all the answers

What is the primary focus of crop protection management?

<p>Preventing crop loss during growth and harvest (B)</p> Signup and view all the answers

What type of hybridisation involves crossing plants from different genera?

<p>Intergeneric hybridisation (D)</p> Signup and view all the answers

What aspect is NOT a characteristic for which crop varieties are improved?

<p>Extension of growing season (B)</p> Signup and view all the answers

Which activity is classified under crop production improvement?

<p>Implementing irrigation practices (A)</p> Signup and view all the answers

Which of the following is NOT one of the major groups of activities for improving crop yields?

<p>Soil fertility management (C)</p> Signup and view all the answers

What primary benefit is sought through crop variety improvement?

<p>Higher crop yields (A)</p> Signup and view all the answers

What is a primary disadvantage of continuous use of chemical fertilizers in farming?

<p>Degradation of soil organic matter (A)</p> Signup and view all the answers

Which statement best describes the role of organic matter in clayey soils?

<p>It aids in avoiding water logging and improves drainage. (B)</p> Signup and view all the answers

Which type of well is designed to tap water from deeper strata?

<p>Tube well (C)</p> Signup and view all the answers

What is a key benefit of using manure instead of chemical fertilizers?

<p>Manure enhances the biodiversity of soil organisms. (D)</p> Signup and view all the answers

What must be considered when aiming for optimum yields in crop production?

<p>Long-term benefits of organic farming systems (D)</p> Signup and view all the answers

How do biological waste materials like manure benefit the soil?

<p>They protect and enhance soil fertility. (A)</p> Signup and view all the answers

What describes the relationship between irrigation systems and climate conditions?

<p>Different irrigation systems are adopted based on varied climate conditions. (C)</p> Signup and view all the answers

What is one of the characteristics of organic farming?

<p>Minimal or no use of synthetic added nutrients. (D)</p> Signup and view all the answers

What is the primary function of pesticides in agriculture?

<p>To control weeds, insects, and diseases (A)</p> Signup and view all the answers

Which method is NOT categorized as a preventive weed control method?

<p>Excessive pesticide application (A)</p> Signup and view all the answers

What is an effect of excessive use of pesticides?

<p>Causing environmental pollution (C)</p> Signup and view all the answers

Which practice aids in managing pests during summer?

<p>Summer ploughing (A)</p> Signup and view all the answers

What is the main goal of crop rotation?

<p>To grow different crops in succession for benefits (D)</p> Signup and view all the answers

What factor influences the choice of crop to be grown after harvesting?

<p>Availability of moisture and irrigation (C)</p> Signup and view all the answers

Which of the following is NOT a type of pesticide?

<p>Nematocides (D)</p> Signup and view all the answers

How many crops can be effectively grown in a year through proper crop rotation?

<p>Two to three crops (C)</p> Signup and view all the answers

What is a significant threat to rain-fed farming areas?

<p>Drought (D)</p> Signup and view all the answers

Which type of cropping involves simultaneously growing two or more crops without a specific pattern?

<p>Mixed cropping (D)</p> Signup and view all the answers

What is one potential benefit of inter-cropping?

<p>Maximized nutrient utilization (A)</p> Signup and view all the answers

What is one major way insects damage plants?

<p>They suck cell sap from plants (B)</p> Signup and view all the answers

To ensure a good harvest, weed removal should occur at what stage?

<p>Early stages of crop growth (D)</p> Signup and view all the answers

Which of the following could be a reason for reduced yield in inter-cropped fields?

<p>Nutrient competition among crops (D)</p> Signup and view all the answers

What is a consequence of drought conditions on crops in light soils?

<p>Adverse effects on crop health (B)</p> Signup and view all the answers

Pathogens that cause diseases in plants include which of the following?

<p>Fungi, bacteria, and viruses (D)</p> Signup and view all the answers

Which of the following best describes mixed farming?

<p>Farming that integrates crop production with livestock raising. (C)</p> Signup and view all the answers

What is the primary purpose of crop rotation?

<p>To maintain soil fertility and prevent pest accumulation. (C)</p> Signup and view all the answers

Which type of farming involves minimal or no use of chemicals?

<p>Organic farming (C)</p> Signup and view all the answers

What is inter-cropping characterized by?

<p>Growing multiple crops in alternate rows simultaneously. (A)</p> Signup and view all the answers

Which of the following statements about varietal improvement is false?

<p>It is solely focused on improving the aesthetic quality of crops. (C)</p> Signup and view all the answers

What role does animal husbandry play in agricultural systems?

<p>It encompasses the care and management of farm animals. (A)</p> Signup and view all the answers

Which of the following correctly defines pasturage in relation to honey production?

<p>The area where bees forage for nectar and pollen. (B)</p> Signup and view all the answers

Which nutrient category is required in large quantities by crops?

<p>Macro-nutrients (B)</p> Signup and view all the answers

Flashcards

Crop Variety Improvement

The process of selecting and breeding plants with desirable traits for improved yield.

Hybridisation

A process where different varieties of a plant are crossed to combine desirable characteristics.

Intervarietal Hybridisation

Crossing between different varieties of the same plant species.

Interspecific Hybridisation

Crossing between two species of the same genus.

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Intergeneric Hybridisation

Crossing between different genera.

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Crop Production Improvement

Techniques and practices used to enhance crop yield during the growth phase.

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Crop Protection Management

Methods and strategies used to protect crops from pests, diseases, and other biotic or abiotic factors.

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Farming Practices

The three major stages of farming practices aimed at improving crop yield.

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Macro-nutrients

Nutrients required by plants in large quantities. These include nitrogen, phosphorus, and potassium.

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Micro-nutrients

Nutrients required by plants in small quantities. These include iron, manganese, boron, zinc, copper, molybdenum, and chlorine.

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Manure

A natural fertilizer made from decomposed animal waste and plant material.

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Vermi-compost

A method of enriching soil by using earthworms to accelerate the decomposition of plant and animal waste.

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Green manure

A natural fertilizer made by burying green plants in the soil. It helps provide nitrogen and phosphorus.

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Fertilizers

Commercially produced fertilizers that provide nitrogen, phosphorus, and potassium.

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How do plants get nutrients?

The process of plants absorbing nutrients from the soil.

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Why are nutrients important for plants?

Essential for healthy plant growth, influencing processes like reproduction, growth, and disease resistance.

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Soil fertility maintenance

The process of enriching soil with organic matter, improving its structure, and boosting its ability to hold water.

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Overuse of fertilizers

Continuous use of fertilizers can deplete organic matter in the soil, harming beneficial microorganisms and ultimately reducing soil fertility.

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Organic farming

A farming system that minimizes or eliminates the use of synthetic chemicals (fertilizers, pesticides, herbicides) and focuses on using organic inputs to maintain soil health.

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Irrigation systems

Structures built to collect and distribute water for irrigation, including wells, canals, rivers and tanks.

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Tube wells

Water is extracted using pumps from deep underground layers.

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Canals

A large and complex system of channels that direct water from rivers or reservoirs to fields.

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Rain-fed farming

A type of farming relying only on rainfall, making it vulnerable to droughts.

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Drought

A situation where there is significantly less rainfall than usual, negatively impacting agriculture.

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Light soils

Soils that cannot retain water well, leaving crops susceptible to drought.

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Drought-tolerant crop varieties

Crop varieties engineered to withstand periods of low water availability.

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Mixed cropping

Planting two or more crops together simultaneously on the same field.

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Intercropping

A specific pattern of mixed cropping where rows of different crops alternate.

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Weeds

Plants that compete with crops for resources, hindering growth.

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Insect pests

Harmful organisms that damage crops, affecting yield and health.

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Crop Rotation

The practice of growing different crops in a planned sequence on the same land.

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Pesticides

Chemicals designed to kill weeds, insects, or fungi to control pests.

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Herbicides

Chemicals specifically formulated to kill weeds.

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Insecticides

Chemicals specifically designed to kill insects.

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Fungicides

Chemicals specifically designed to kill fungi.

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Preventive Pest Control

Methods used to prevent pests from damaging crops.

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Resistant Varieties

Using crop varieties that naturally resist pests and diseases.

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What is intercropping?

The practice of growing two or more crops simultaneously on the same land, using a specific arrangement of rows.

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What is mixed farming?

A farming strategy that involves raising various farm animals alongside crops on the same farm.

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What is crop rotation?

Growing different crops on the same land in a planned sequence over time.

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What is fish culture?

The cultivation of fish in controlled environments, such as tanks or ponds.

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What is organic farming?

A type of agriculture that minimizes or eliminates the use of synthetic chemicals, relying on organic methods like compost and natural pest control.

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What is cross breeding for variety improvement?

The practice of breeding different varieties of the same species of plant to combine desirable characteristics.

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What is pasturage?

The amount and type of food available for bees to make honey, usually referring to specific plants that are good sources of nectar and pollen.

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What are macro-nutrients in plants?

Nutrients essential for plant growth that are needed in large quantities. Examples include nitrogen, phosphorus, and potassium.

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Study Notes

Improvement in Food Resources

  • Food is essential for all living organisms, providing proteins, carbohydrates, fats, vitamins and minerals for growth and health.
  • Agriculture and animal husbandry are major food sources.
  • India's increasing population necessitates a significant increase in food production.
  • Existing agricultural land is intensively cultivated, limiting expansion.
  • Increased production efficiency for both crops and livestock is crucial.
  • The Green Revolution has led to increased grain production.
  • The White Revolution improved milk production.
  • Sustainable agricultural practices are needed to prevent environmental damage.
  • Food production alone is insufficient; ensuring access to food is also essential for combating hunger and malnutrition.
  • Improving incomes of agricultural workers is crucial.
  • Scientific farming techniques are vital for higher crop yields (e.g., mixed farming, intercropping).

Crop Improvement

  • Crop variety improvement focuses on identifying high-yielding varieties.
  • Hybridisation creates new varieties with desirable traits like disease resistance and high yields.
  • Genetic modification introduces beneficial genes.
  • Crop variety selection needs to consider factors like yield, quality, and resistance to biotic and abiotic stresses.
  • Short maturity durations optimize crop production in various climates and environments.
  • Uniform maturity facilitates easy harvesting.
  • Wider adaptability contributes to consistent production in diverse climates.

Crop Production Management

  • Different farming scales exist, varying in land, financial resources, and access to information and technologies.
  • Nutrient management is crucial for optimal crop growth.
  • Crop production levels range from 'no cost', 'low cost', to 'high cost' practices.
  • Crop protection against various pests and diseases is necessary to prevent crop loss.
  • Crop protection includes practices like weed removal, pesticide use, and pest control measures.

Animal Husbandry

  • Animal husbandry focuses on the scientific management of livestock for milk, meat, and labor.
  • Breeding and disease control are vital components of animal husbandry management.
  • Dietary needs and health are crucial concerns in animal husbandry.

Irrigation

  • Irrigation is crucial for crop success in regions with irregular rainfall patterns or insufficient rainfall.
  • Droughts pose a significant threat to agriculture, and varieties tolerant to drought conditions are crucial.
  • Crop varieties need to be chosen based on irrigation availability and water quality.

Bee-keeping

  • Bee-keeping (apiculture) yields honey and beeswax, a valuable agricultural enterprise.
  • Honey quality depends on the plants available (pasturage) for nectar and pollen collection.
  • Effective bee varieties are chosen for optimal honey production.

Fish Production

  • Fish (both marine and inland) are a significant source of protein.
  • Capture fishing and aquaculture (culture fisheries) are methods of fish production.
  • Composite fish culture (combining different fish species) enhances fish production.
  • Mariculture (culturing marine species) helps meet increasing fish demand.
  • Various fish breeds are used in aquaculture with appropriate water resources.

Other important points

  • Organic farming promotes sustainable agriculture by minimizing chemical inputs.
  • Manure and fertilizers are used to maintain soil fertility.

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