PH of acid sulphate Soils decreases when it drained, why?

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In which soils maximum organic carbon found?

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Is there any adverse effect of genatical modified crop varities on soil health?

sustainable soil management

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Why acid sulfate soil became more acidic when water drain out?

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What is the sustainable agriculture?

To day agriculture section face many problems

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Why KMnO4 not consider as a primary standard?

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What is the unit of pH?

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What is basic difference between colorimeter and spectronic-20(instruments)?

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Which database would give me this list of chemical components?

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Anas Jafar Mohammed

In regions affected by acid sulphate soils (the oxidation of pyrite in the soil forms sulphuric acid), the floodgates prevent tidal carbonate/ bicarbonate buffering of the drains and thereby create reservoirs of acidic water (pH < 4.5) that discharge during low tide.

Ashokkumar V. Rajani

Yes, pH decreases due to oxidation of FeS