Agricultural Water Management and Cropping Systems
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Questions and Answers

What is the primary advantage of adopting new technology in farming, according to IFS?

  • Increasing crop production through crop rotation
  • Reducing environmental pollution
  • Saving energy through biogas generation
  • Round-the-year money flow, inducing small farmers to adopt new technology (correct)

How does IFS help in meeting the fodder crisis?

  • By increasing crop production
  • By reducing deforestation
  • By adopting sericulture
  • By planting perennial legume fodder trees on field borders (correct)

What is the primary benefit of linking agro-forestry components in IFS?

  • Increasing crop production
  • Enhancing fuel and industrial wood production (correct)
  • Reducing environmental pollution
  • Saving energy through biogas generation

What is the ideal depth of a pond for effective fish rearing?

<p>1.5-2.0 m (A)</p> Signup and view all the answers

Which of the following practices is NOT a part of IFS?

<p>Monoculture farming (A)</p> Signup and view all the answers

What is the significance of linking crop with dairy in IFS?

<p>Fully utilizing technology to increase income (D)</p> Signup and view all the answers

What is the benefit of using clay soils in fish rearing?

<p>Higher water retention capacity (B)</p> Signup and view all the answers

What is the primary goal of IFS in terms of energy management?

<p>Reducing dependence on fossil energy sources (B)</p> Signup and view all the answers

What is the purpose of adding lime to pond water at regular intervals of 2-3 days?

<p>To adjust pH if it is less than 6.5 (B)</p> Signup and view all the answers

What is the ideal pH range for pond water in fish rearing?

<p>7.5-8.5 (A)</p> Signup and view all the answers

What is the benefit of composite fish culture with supplementary feeding in fishery ponds?

<p>It increases the total biomass production (A)</p> Signup and view all the answers

What is the purpose of testing soil for N and P content in fish rearing?

<p>To determine nutrient content (C)</p> Signup and view all the answers

What is the consideration for planning the layout of the irrigation system in a cropping system?

<p>It should be suitable for most of the crops in the system (C)</p> Signup and view all the answers

What is the alternative crop used in the cropping system during summer when water availability is low?

<p>Groundnut (B)</p> Signup and view all the answers

What is the irrigation method used for rice in the rice-rice-groundnut system?

<p>Flood method (A)</p> Signup and view all the answers

What is the cropping system that has high water use efficiency and high net returns?

<p>Rice-Rice-groundnut (C)</p> Signup and view all the answers

In the cotton-sorghum-finger millet system, what is the irrigation method used for finger millet?

<p>Check-basin method (B)</p> Signup and view all the answers

Why is it necessary to follow weed management practices for the entire cropping system?

<p>Because weed control methods have carry-over effects on succeeding crops (B)</p> Signup and view all the answers

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