Controlled Irrigation Importance for Crop Production
Regular and controlled irrigation is essential in crop production primarily because plants have specific water requirements that change throughout their life cycle. Supplying the right amount of water at the right time is crucial for healthy growth and maximizing yield.
Why Optimal Water Supply Matters
- Ensuring Water at Critical Stages: Plants undergo several critical growth stages, such as germination, flowering, and fruiting. During these phases, water availability directly impacts the plant's ability to develop properly. Insufficient water can lead to reduced yields, poor quality produce, or even crop failure. Controlled irrigation ensures that water is available precisely when the crop needs it most.
- Regulating Soil Environment: Proper irrigation helps maintain a suitable soil moisture level, which is vital for nutrient uptake and root respiration. It also helps in temperature regulation of the root zone.
Evaluating Other Options
- Option 1 is incorrect because controlled irrigation aims to meet plant needs efficiently, not create dependency.
- Option 2 is incorrect; while water is a solvent for nutrients, the primary benefit of irrigation isn't reducing fertilizer use by supplying nutrients itself, but providing water.
- Option 4 is incorrect; excessive or poorly managed irrigation can lead to salinity and waterlogging, harming root growth, but this is the opposite of the benefit of controlled irrigation.
Therefore, ensuring an optimal water supply at critical growth stages is the key reason why regular and controlled irrigation is important for successful crop production.
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:
