Planting & SoilQuestion 47 of 100
Salt buildup in soil from irrigation water or fertilizer is BEST managed by what practice?
a.Adding more fertilizer
b.Reducing all watering to zero
c.Leaching with deep irrigation to move salts below the root zone
d.Compacting the soil surface
Explanation
Applying a deep, thorough irrigation, called leaching, dissolves accumulated salts and carries them downward below the root zone where they no longer harm plants. This requires soil with adequate drainage. Adding more fertilizer would worsen the salt problem.
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