Sws3022 uf exam 3 - Study guides, Class notes & Summaries

SWS3022 UF Exam 3 Questions with Correct Answers The very high pH (>8.5) levels found in some arid regions are most likely due to the high levels of exchangeable_______: - Answer-Na Sodic soils generally have a poor physical condition. To what is this most likely due? - Answer-Dispersion of the Na-saturated soil colloids Which of the following human activities is most apt to result in long term increase in soil PH? - Answer-irrigation with high salt water Which of the following is ...

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Note the various forms of N -:- 1. Ammonium (NH4+) cation in the soil solution and fixed in secondary clays 2. Nitrate (NO3-) anion in the soil solution 3. Organic N in the soil 4. Ammonia (NH3) gas (released to atmosphere) 5. NO, N2O, N2 gases (released to atmosphere) anion- nitrogen -:- it is not held by soil colloids and can be lost from the soil through leaching. However in well aerated soils (plenty of oxygen), most of the NH4+-N (applied for example as fertilizer) changes to the...

sws3022 UF exam 3 Study Guide with Complete Solutions Note the various forms of N - Answer️️ -1. Ammonium (NH4+) cation in the soil solution and fixed in secondary clays 2. Nitrate (NO3-) anion in the soil solution 3. Organic N in the soil 4. Ammonia (NH3) gas (released to atmosphere) 5. NO, N2O, N2 gases (released to atmosphere) anion- nitrogen - Answer️️ -it is not held by soil colloids and can be lost from the soil through leaching. However in well aerated soils (plenty of ox...