Biology · Horticulture

In traditional floating-bed cultivation (such as the 'baira' system), how are the floating rafts typically repaired or maintained?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1By burning the surface of the raft to clear weed competition
2By reinforcing the underwater framework with a cement-concrete mixture
3By periodically adding and compacting fresh aquatic weed residues and soil layers✓
4By completely removing all decomposing organic materials from the base

Correct answer

By periodically adding and compacting fresh aquatic weed residues and soil layers

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