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- Which soil mineral is most likely to be leached away during heavy rain? O hydrogen ion (H+) O Potassium ion (K+) O chloride ion (Cl-) O Calcium ion (Ca2+) O Sodium ion (Na+)The two pictures below are two soil profiles that typically form in under different types of vegetation, but can also occur relatively close together: 20 40 First, using morphological clues learned in lab, define what these two soil orders are. Be sure to indicate which soil is which (e.g., "the soil of the left is."). Then describe which CIORPT factor and which soil forming.process is probably most important in determining the difference between these two soil types are fairly close to one another?denitrification occure in wetland soil because - 1 - The top thin layer of soil is oxidized and the soil layer below is reduced. 2 - The top thin layer of soil is reduced and the soil layer below is oxidized 3 - The top thin layer of soil is oxidized and the soil layer below is also oxidized. 4 - The top thin layer of soil in reduced and the soil layer below is also reduced
- The high acidity of the soil means less capacity to bind positively charged ions. True or False?Soil pH influence the availability of soil nutrient elements TRUE OR FALSERI GİRTEN K Which of the following is not true for Soil Organic Matter (SOM)? O It can be degraded by microbes OIt holds water for plants It is integral to maintaining the soil structure OIt makes up a large proportion of soil structure OIt is important for retaining nutrients in the soil
- Some plants actually thrive in soils that most plants find challenging. One example is the California redbud which grows on serpentine soil (a soil type high in toxic magnesium and nickel but low in calcium). Some of these species even need to be grown in the unusual soils to survive. Others can tolerate more standard soil conditions. If you wanted to grow some of these unusual plants in their native soil, what is one risk to you as the gardener? How does tolerance to such (normally toxic) soil help the plant?Which three soil colours would suggest the following conditions in the soil 1. Poor drainage 2. Reduced compounds of manganese 3. Well drained and aeration soilWhich factors affect soil quality? chemical composition history of the soil presence of living organisms and topography cl. all of the above
- The rate at which leaf litter decomposes depends on many factors, including the compounds present in the litter Which of the following compound concentrations would make leaf litter decompose at the slowest rate? O low levels of lignin O high levels of cellulose O high levels of lignin O high levels of hemicellulose high levels of both cellulose and hemicelluloseFertile soil is one of the keys to good yield. (i) Explain the roles of clay and organic matter in contributing to soil fertility and cation exchange capacity (CEC). (ii) Name ONE (1) negative effect of low CEC and high CEC soils respectively. Suggest ways to improve low CEC and high CEC soils. (iii) Suggest ONE (1) suitable type of crops for high CEC soil, low CEC soil and loam soil respectively.In which layer would plants find the most nutrients? SOILLAYERS OL A: Humus & Top soil B: Subsoil( Clay) C: Parent Rock Humus Top soil Subsoil D: Bedrock Parent rock Bedrock