Question:

In irrigated salt-affected soils, under raised bed planting system where should the seedlings be planted?

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Raised bed planting in salt-affected soils:
- Plant at top of the bed.
- Salt accumulates in furrows.
- Reduces salt stress on seedlings.
  • At top of the bed
  • At mid slope of the bed
  • At centre of the furrow
  • Seedling can't be transplanted
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The Correct Option is A

Solution and Explanation

Step 1: Understanding the Question:
This question tests knowledge of planting techniques in salt-affected soils.

Step 2: Detailed Explanation:

In raised bed planting systems, seedlings should be planted at the top of the bed in salt-affected soils.
Salt accumulates in the furrow and mid-slope due to evaporation and upward movement of water.
The top of the bed has lower salt concentration.
Thus, planting at the top reduces salt stress.

Step 3: Final Answer:

Thus, seedlings should be planted at the top of the bed, which corresponds to option (A).
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