Question
A farmer applies gypsum to reclaim a sodic (alkali) soil with a high exchangeable sodium percentage. Gypsum works mainly by supplying which ion, which replaces the exchangeable sodium held on the soil colloid and allows the displaced sodium to be leached away?
More Soils and details Questions
- Which equation represents Dokuchaev’s original soil formation factors?
- The physical state of the soil as relates to plant growth is:
- Which of the following is a source of Boron?
- Which of the following mainly provides food and energy for most soil microorganisms?
- In a well-aggregated soil, how does soil porosity influence the movement of air and water?
- Soil 'Ergosterol' concentration is frequently measured in cotton soils as a specific biochemical marker to estimate the biomass of?
- Which of these actions is most likely to harm beneficial soil microorganisms?
- Which of the following is an example of a soil-friendly practice that supports beneficial microbial life?
- 'Humus' in agricultural soil is defined as?
- The softest mineral is:
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