[試題] 101上 李達源 土壤學 期末考
課程名稱︰土壤學
課程性質︰選修
課程教師︰李達源
開課學院：生農
開課系所︰農化系
考試日期（年月日）︰102/1/11
考試時限（分鐘）：120
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
1.please descrive how soil redox potential(Eh) is affected by soil aeration
and illustrate the transformation of NO3- and S042- in soils under reduced
conditions(10%)
2. what are macronutriedts for plants? Give one example for commonly used N,
P, and K fertilizers respectively and indicate they are acid, neutral, or
basic fertilizers.(10%)
3. please sketch the nitrogen cycle and describe the factors which affect each
process.(10%)
4. please describe how siol PH affects the availability of P in soils.(5%)
5. what are micronutrients for plants? describe how soil PH and redox potential
affect the avalability of these micronutrients.(10%)
6. what is soil testing? give commonly used soil testing for P and K
respectively. describe the difference in deficiency syndromes between K and Ca
in plants.(10%)
7. why are acid soils not suitable for plant growth? how to reclaim them? why
are calcareous soils also not suitable for plant growth? how to reclaim them?
8. what are problems for growing plants in saline and sodic soils respectively?
describe the method used for reclaiming saline and sodic soils respectively.
(10%)
9. please describe the possible hazard resulting from agricultural soils
contaminated by Cd and the potential methods for remediation.(5%)
10. what are five soil formation factors? what is the major factor controlling
the formation of alluvial soils in western plain of Taiwan? what is/are soil
order(s) of the alluvial soils based on soil taxonomy?(10%)
11. what is soil order of a soil named typic hapludoxs, fine, mixed,
hyperthermic belonged to based on soil taxonomy? what is suborder? what is
great group? what is subgroup? what is family? what are the typical properties
of this soil order?(10%)
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