Identifying Mechanical Weed Control
Mechanical weed control involves physically removing or destroying weeds. This method disrupts the weeds' growth and prevents them from competing with crops for resources.
Analyzing Weed Control Options
- 1. Spraying herbicides: This is a chemical method. Herbicides are chemicals used to kill weeds.
- 2. Hand weeding: This involves physically pulling or cutting weeds by hand or using tools. This is a direct mechanical action.
- 3. Crop rotation: This is an agronomic practice. While it can help manage weed populations over time by disrupting their life cycles, it is not a direct physical method of removal.
- 4. Seed treatment: This process prepares seeds for planting, often involving coatings for disease protection or improved germination. It does not directly control existing weeds.
Conclusion
Based on the analysis, hand weeding is the only option that represents a direct physical or mechanical method for controlling weeds.
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Important Questions from Agriculture
Which one of the following terms describes the practice of growing two or more crops simultaneously on the same piece of land?
Directions: The following 05 (Five) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answers to these items using the code given below:
Statement I: India has a wide variation in population density.
Statement II: Factors like agricultural productivity and the history of the settlement have greatly influenced the population density pattern in India.
Which of the following are the characteristics of organic farming?
1. Use of chemical fertilizers to improve soil fertility.
2. Frequent decomposing and fallowing.
3. Use of herbs to control pests.
4. Higher productivity per hectare.
Select the correct answer using the code given below:
A farmer in a semi-arid area claims that his farming practice is very environment friendly. Which of the following practices on his farm can justify his claim?
1. Planning a tree belt.
2. Practising crop rotation.
3. Carrying out a large scale irrigation system
4. Using organic fertilizers.
Select the correct answer using the code given below:
Which of the following statements about the Livestock sector in India is/are correct?
1. Livestock contributed about 25 per cent of gross value added in agriculture.
2. It provides self-employment to a large segment of the population
3. The rapid growth of the livestock sector can be egalitarian inclusive
Select the correct answer using the code given below:
