Practice Test 2
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Chlorite belongs to the

The neutralizing values of the following liming materials are such that

Soils with high pH are generally deficient in

A soil with 20 m/100g CEC and 5 m/100 g exchangeable H will have a base saturation of

‘Humus’ is made up of

  • Solution

    Humus It is a complex and rather resistant mixture of brown or dark brown amorphous and colloidal substances modified from the original tissues or synthesised by the various soil organisms. Fulvic acid, humic acid and humin all come under humus. Humus is in dynamic condition.

What is the content of organic matter in alluvial soil?

Geological erosion is also known as

The vertical section of soil, which shows different horizons, is called

The cation exchange capacity is highest of

  • Solution

    Cation Exchange Capacity In soil science, Cation Exchange Capacity (CEC) is the maximum quantity of total cations, of any class that a soil is capable of holding at a given pH value available for exchange with the soil solution. CEC is used as a measure of fertility nutrient retention capacity and the capacity to project ground water form cation contamination.

Alkali soil is reclaimed by the addition of

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Soil & Soil Fertility
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