Test from Lesson 2
A training test for learners.
1. What are features of soil ideal for growing vegetables?
a) Light to medium, slightly humic, sandy or loamy with humus content 3-5% and neutral soil reaction (pH 6,5-7,3), well permeable to water and air and with good water capillarity
b) Heavy, waterlogged soil, full of stones
c) Sandy, light, easy to work with, dries and warms up quickly
2. Which kinds of soil do we know in dependence of a number of mineral particles?
a) Light, medium, heavy and neutral
b) Sandy, loamy sand, sandy loam, loam, silt loam, clay loam, clayey
c) Sandy, acidic, loamy, alkaline, clayey, neutral
3. What is optimal location for organic farming?
a) Location more than 350m above sea level, protected, light to medium soil, ground water at a depth of about one meter
b) Each location under 1350m above sea level after necessary treatment
c) Location under 350m above sea level, protected, with layer of topsoil from 0,4 to 0,6m, ground water at a depth of about one met
4. What kinds of vegetables can be grown in acidic soil?
a) All kinds of vegetables without exception
b) Brassicas and root vegetables
c) Acidic soil is not suitable for any kind of vegetables with exception of leguminous plants, which tolerate slightly acidic reaction
5. What kinds of improvement of soil quality are suitable by organic farming?
a) Use of organic matter as natural fertilizers, liming with dolomitic limestone, green manure
b) Use of fertilizers, chemical sprays for combating weeds and pests
c) Nothing, nature can deal with it on its own
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