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In way can our diet affect the local or global soil organic matter and soil health? Explain thoroughly.
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- What size of soil particles is best for agriculture? What advantages does this size of particles have? What is the type of soil with the size of particles called? (Hint: The name is not in the chapter you will have to check outside sources)RI 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 soilSoil pH influence the availability of soil nutrient elements TRUE OR FALSE
- 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+)Fertile 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.What is the most important thing you can do to a mineral soil in order to ensure an adequate supply of and maximum availability of plant nutrients?
- What are the main elements that determine soil capacity to produce higher yields? If a plant shows stunted growth as well as yellow leaves then what type of nutrients would be deficient? How to address the issue? Please please answer that3. Make a table that best matches the following set of animals and crops with the soil unit most suitable for the crop or animal use, given the following information: Agricultural use: Walnuts do best with deep, well-drained soil. Lettuce can produce excellent crops in soils that have a good topsoil (A horizon) but a somewhat dense subsoil (B horizon) that has slow permeability. Wheat can produce very high yields without being irrigated if there is a high water table (in other words, a shallow depth to the water table). Goats eat a wide range of forage on rangelands, even in relatively steep mountainous areas. Soil units Land Capability Class rating: Marvin silty clay loam IIs-3 Positas gravelly loam, 30 to 50% slopes, eroded VIIe-3 Yolo silt loam I-1 Sacramento clay IIIw-5 key to subclasses: s = soil factor e = erosion hazard w = wetness limitation key to capability unit: 3 = A limitation caused by slow or very slow permeability of the subsoil 5 = A limitation caused…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 soil
- discuss the role of ions in soil fertility.Analyze each statement (A and B) whether they are true or false. Use the choices below in answering each item; A statement A is true B statement B is true C both A and B are true D neither A nor B are true (A) Soil moisture is the most variable physical property of the soil. (B) Soil moisture involves all the water that is in the soil including potential water that might arise from various biogeochemical reactions in the soil.Draw the NPK economy by showing how these nutrients are being added and lost in the soil system (Just a simple illustration-Boxes and Arrows with labels/descriptions - is enough to illustrate the soil nutrient economy) Each of the soil nutrient, N-P-K, should have a separate hand-drawings. Thus, there will be three (3) drawings.