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Why Medium (Soil, water….etc) + nutrients (Na,K,N….etc) is very important?
pls give very short answer as a points if possible
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- %OM pH EC Ca2+ Mg2+ K+ Na+ Al3+ H+ % dS/m cmolc/kg soil cmolc/kg soil cmolc/kg soil cmolc/kg soil cmolc/kg soil cmolc/kg soil 2.7% 7.6 4.5 19 13 10 3 1 4 Is this soil affected? If so, what type? - saline - sodic - not salt affected - saline-sodic43. Two soil samples, A & B, at same soil moisture levels are placed in contact with each other. Water will more likely move from soil B to soil A if their osmotic potentials, expressed in kPa, are: O A=-30; B=-70 O A=-10; B=+10 O A=-60; B=-10 O A=-50; B=-100 OA=-20%; B=-20The Cardinal Temperatures of an organism define only the optimum and maximum temperatures at which the organism can grow. True O False
- Will it give a precipate or just a solution?Figure 1 shows the appirtu thot e studeote to estetall mals (inverette -5- (d) living in the soil. Funet Sod or lesttter Sleve Aleshat Figure 1. Apparatus for extracting small animals Outline EACH of the following functions in the apparatus Light bulb Alcohol Fungi and bacteria are found in forest soils. Explain the role of these crganisms in the cycling of nutrients in the forest. (c)his medium to mix With ent of: rgans a chlorophyllic plant fungus. The graph below shows the variation of the mass of wheat produced as a function of the 5 are placed quantity of supplied fertilizer. res below). arkness, they production of wheat (in kg) 50 a - Label letters a, b, er, we obtain b - What do the thre m with hot 40 represent? e water 30 C - Inside which st organic matter is car d - Propose a title fc 10. 25 50 75 100 125 rtilizer in kg) In the context of the mineral matter by a a - Indicate the wheat mass due to a supply following hypothesi: of 25 Kg, then due to 75 Kg of fertilizer. water from the soil onate which on dioxide Plan an experimenta - Write a statement explaining the variatiol of the production of wheat with the used mulated hypothesis, materials for its perf quantity of the supplied fertilizer. 20
- Trace the route of the nutrients NH PO 3- carried by river runoff to a seagrass ecosystem. Indicate the specific process involved (e.g., nitrification, denitrification, etc.) and the chemical form (e.g., NH +, NO -, etc) at each step of transformation. Write your (short) answers in the numbered blanks below each illustration.Trace the route of the nutrients NO 3- carried by river runoff to a seagrass ecosystem. Indicate the specific process involved (e.g., nitrification, denitrification, etc.) and the chemical form (e.g., NH +, NO -, etc) at each step of transformation. Write your (short) answers in the numbered blanks below each illustration.THIS IS A MULTIPART QUESTION, PLEASE ANSWER ALL Using the image: 1. How would you categorize this medium? (Living/nonliving, Synthetic/complex, Rich/minimal) Briefly explain your responses. 2. Name the ingredient(s) that match the following nutrients: a. Source(s) of carbon b. Source(s) of nitrogen c. At least one source of minerals d. At least one source of growth factors, if any 3. What about this medium would change if agar were added as an ingredient? 4. Would you expect this medium to be differential, selective, or both? Explain your response.
- Phosphorus immobilization occurs when: O a plant absorbs phosphorus from the soil, and converts it into ATP phosphate rich rock undergoes weathering, releasing biologically-available phosphorus into the environment O a coyote dies, and as it decomposes, it releases phosphorus back into the environmentdenitrification 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 reducedAt equivalence point in a precipitation titration of Br- with AgNO3, pAg _____ pBr. Group of answer choices > < =