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发表于 8-6-2015 06:15 PM
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我就来帮下，有些字看得不是很清楚，不过大概应该能知道做什么吧？
Theme: Analysis of soil type and its suitability for the agricultural industry
a) Suggested types of soil
i. Highland soil
ii. River bank soil
iii. Farmed? land soil
iv. Forest? land soil
v. Peat soil
vi. Swamp soil
vii. Volcanic soil
Note: Soil samples are dried under shaded ??? at room? temperature, followed by crushing and sieving through a 2.0mm stainless steel sieve to remove ??? unwanted material.
b) Suggested topics (Students may also choose another ??? topics)
i. Soil texture (??? ???? composition of sand, clay and ???)
ii. Soil permeability?
iii. Mineral content (N, P, K and nutrients)
iv. Soil acidity and alkalinity
v. Role and ??? of ???...
vi. pH ??? ??? solution in KCl? or water
vii. Soil organic carbon and soil ???
viii. ??? exchange capacity?
c) Suggested method of analysis (students may also choose other methods)
i. Volumetric analysis
ii. Chromatography
iii. pH (acid-base indicator, pH meter)
iv. Soil/water testing kit (test for nutrients)
v. Soil extraction |
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