Scsc exam 2 - Study guides, Class notes & Summaries

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SCSC 311 EXAM 2 ACTUAL QUESTIONS AND ANSWERS 100% CORRECT What is the most important disease of rice world wide - Answer- blast Conservation tillage - Answer- Conserves soil Reduces weed control options Which of the following common functions of tillage for cotton is/are not usually true for peanuts - Answer- -Shatters hard pans -Incorporates fertilizer -Maintains soil surface residue to control erosion during the growing season Which of the following is a result in Ca deficienc...

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SCSC 301 Exam 2 with Questions and Answers Soil Atmosphere ANSWER -Varies from atmosphere -Contains 2 main gases needed for the two most important biological processes -High CO2, lower O2 than atmosphere -vital for soils to exchange gases Photosynthesis - consumes CO2 and H2O and releases O2 and produces sugars Respiration - Consumes O2 and releases CO2, H2O, and energy -Microbes and plant roots need O2 and removal of CO2 C6H12O6 + 6O2 --> <-- 6CO2 + 6H2O Oxygen Availabi...

SCSC 105 Carson TAMU EXAM 1 & 2 [100 QUESTIONS AND CORRECT DETAILED ANSWERS WITH (VERIFIED ANSWERS) |ALREADY GRADED A+ SCSC 105 Carson TAMU EXAM 1 & 2 [100 QUESTIONS AND CORRECT DETAILED ANSWERS WITH (VERIFIED ANSWERS) |ALREADY GRADED A+ SCSC 105 Carson TAMU EXAM 1 & 2 [100 QUESTIONS AND CORRECT DETAILED ANSWERS WITH (VERIFIED ANSWERS) |ALREADY GRADED A+

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SCSC 301 Exam 2 Review with Questions and Answers autotroph ANSWER -uses inorganic carbon -obtain energy from sun -obtain energy from oxidation of inorganic elements or compounds (Fe, S, H, ammonium, nitrates) heterotroph ANSWER gets carbon and energy from organic compounds aerobe ANSWER only grows in presence of molecular oxygen anaerobe ANSWER only grows in the absence of molecular oxygen facultative anaerobe ANSWER capable of both aerobic and anaerobic metabolism examples ...

SCSC 301 Exam with Practice Questions and Answers A soil has a bulk density of 1.3 g/cm3, a particle density of 2.6 g/cm3, a total porosity of .5, and a gravimetric water content of .2. calculate the water-filled porosity. a) .2 b) .24 c) .26 d) .5 e) 1.30 ANSWER c After a growing season of heavy tillage traffic across a soil, a property that is affected is: a) texture b) bulk density c) particle density d) consistence e) color ANSWER B From a biological point of view, the...