A farmer treats a field with calcium hydroxide to make it less acidic.
When the farmer adds ammonium nitrate fertiliser to the field immediately after the
calcium hydroxide, they react.
Why does this reaction make the fertiliser less effective?
It makes ammonia gas, so less nitrogen is absorbed by the soil.
2 )
It makes an acid, making the soil acidic again.
3 )
It makes nitrogen gas, so less nitrogen is absorbed by the soil.
4 )
It makes the fertiliser too strong, stopping the plants growing so well.
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